Home / 827,167.80-1,240,751.70-228,221.40

Finding the Fourth Proportional to 827,167.80, 1,240,751.70 and 228,221.40

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Solution

The fourth proportional to 827,167.80, 1,240,751.70 and 228,221.40 is: 342,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,167.80 : 1,240,751.70 = 228,221.40 : x
  2. Step 2: Convert to fraction form
    827,167.80/1,240,751.70 = 228,221.40/x
  3. Step 3: Cross multiply
    827,167.80x = 1,240,751.70 × 228,221.40
  4. Step 4: Simplify right side
    827,167.80x = 283,166,090,026.38
  5. Step 5: Solve for x
    x = 283,166,090,026.38/827,167.80
  6. Step 6: Final answer
    x = 342,332.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.