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Finding the Fourth Proportional to 363,802.96, 502,053.28 and 208,779.52

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Solution

The fourth proportional to 363,802.96, 502,053.28 and 208,779.52 is: 288,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,802.96 : 502,053.28 = 208,779.52 : x
  2. Step 2: Convert to fraction form
    363,802.96/502,053.28 = 208,779.52/x
  3. Step 3: Cross multiply
    363,802.96x = 502,053.28 × 208,779.52
  4. Step 4: Simplify right side
    363,802.96x = 104,818,442,812.83
  5. Step 5: Solve for x
    x = 104,818,442,812.83/363,802.96
  6. Step 6: Final answer
    x = 288,118.72

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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.