Home / 211,517.80-317,276.70-161,751.40

Finding the Fourth Proportional to 211,517.80, 317,276.70 and 161,751.40

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Solution

The fourth proportional to 211,517.80, 317,276.70 and 161,751.40 is: 242,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,517.80 : 317,276.70 = 161,751.40 : x
  2. Step 2: Convert to fraction form
    211,517.80/317,276.70 = 161,751.40/x
  3. Step 3: Cross multiply
    211,517.80x = 317,276.70 × 161,751.40
  4. Step 4: Simplify right side
    211,517.80x = 51,319,950,412.38
  5. Step 5: Solve for x
    x = 51,319,950,412.38/211,517.80
  6. Step 6: Final answer
    x = 242,627.10

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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.