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Finding the Fourth Proportional to 369,959.08, 510,545.28 and 208,820.92

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Solution

The fourth proportional to 369,959.08, 510,545.28 and 208,820.92 is: 288,173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,959.08 : 510,545.28 = 208,820.92 : x
  2. Step 2: Convert to fraction form
    369,959.08/510,545.28 = 208,820.92/x
  3. Step 3: Cross multiply
    369,959.08x = 510,545.28 × 208,820.92
  4. Step 4: Simplify right side
    369,959.08x = 106,612,535,071.26
  5. Step 5: Solve for x
    x = 106,612,535,071.26/369,959.08
  6. Step 6: Final answer
    x = 288,173.86

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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.