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Finding the Fourth Proportional to 202,871.70, 304,307.55 and 62,612.10

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Solution

The fourth proportional to 202,871.70, 304,307.55 and 62,612.10 is: 93,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,871.70 : 304,307.55 = 62,612.10 : x
  2. Step 2: Convert to fraction form
    202,871.70/304,307.55 = 62,612.10/x
  3. Step 3: Cross multiply
    202,871.70x = 304,307.55 × 62,612.10
  4. Step 4: Simplify right side
    202,871.70x = 19,053,334,751.36
  5. Step 5: Solve for x
    x = 19,053,334,751.36/202,871.70
  6. Step 6: Final answer
    x = 93,918.15

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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.