Home / 369,618.02-510,072.17-208,472.58

Finding the Fourth Proportional to 369,618.02, 510,072.17 and 208,472.58

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Solution

The fourth proportional to 369,618.02, 510,072.17 and 208,472.58 is: 287,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,618.02 : 510,072.17 = 208,472.58 : x
  2. Step 2: Convert to fraction form
    369,618.02/510,072.17 = 208,472.58/x
  3. Step 3: Cross multiply
    369,618.02x = 510,072.17 × 208,472.58
  4. Step 4: Simplify right side
    369,618.02x = 106,336,061,266.10
  5. Step 5: Solve for x
    x = 106,336,061,266.10/369,618.02
  6. Step 6: Final answer
    x = 287,691.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.