Home / 548,869.40-823,368.10-174,930.20

Finding the Fourth Proportional to 548,869.40, 823,368.10 and 174,930.20

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Solution

The fourth proportional to 548,869.40, 823,368.10 and 174,930.20 is: 262,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,869.40 : 823,368.10 = 174,930.20 : x
  2. Step 2: Convert to fraction form
    548,869.40/823,368.10 = 174,930.20/x
  3. Step 3: Cross multiply
    548,869.40x = 823,368.10 × 174,930.20
  4. Step 4: Simplify right side
    548,869.40x = 144,031,946,406.62
  5. Step 5: Solve for x
    x = 144,031,946,406.62/548,869.40
  6. Step 6: Final answer
    x = 262,415.70

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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.