Home / 296,828.83-445,244.16-72,189.31

Finding the Fourth Proportional to 296,828.83, 445,244.16 and 72,189.31

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Solution

The fourth proportional to 296,828.83, 445,244.16 and 72,189.31 is: 108,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,828.83 : 445,244.16 = 72,189.31 : x
  2. Step 2: Convert to fraction form
    296,828.83/445,244.16 = 72,189.31/x
  3. Step 3: Cross multiply
    296,828.83x = 445,244.16 × 72,189.31
  4. Step 4: Simplify right side
    296,828.83x = 32,141,868,691.93
  5. Step 5: Solve for x
    x = 32,141,868,691.93/296,828.83
  6. Step 6: Final answer
    x = 108,284.19

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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.