Home / 336,985.29-465,142.65-207,963.21

Finding the Fourth Proportional to 336,985.29, 465,142.65 and 207,963.21

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Solution

The fourth proportional to 336,985.29, 465,142.65 and 207,963.21 is: 287,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,985.29 : 465,142.65 = 207,963.21 : x
  2. Step 2: Convert to fraction form
    336,985.29/465,142.65 = 207,963.21/x
  3. Step 3: Cross multiply
    336,985.29x = 465,142.65 × 207,963.21
  4. Step 4: Simplify right side
    336,985.29x = 96,732,558,601.91
  5. Step 5: Solve for x
    x = 96,732,558,601.91/336,985.29
  6. Step 6: Final answer
    x = 287,052.76

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1.5x scale

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.