Home / 296,830.83-445,247.16-72,191.31

Finding the Fourth Proportional to 296,830.83, 445,247.16 and 72,191.31

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Solution

The fourth proportional to 296,830.83, 445,247.16 and 72,191.31 is: 108,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,830.83 : 445,247.16 = 72,191.31 : x
  2. Step 2: Convert to fraction form
    296,830.83/445,247.16 = 72,191.31/x
  3. Step 3: Cross multiply
    296,830.83x = 445,247.16 × 72,191.31
  4. Step 4: Simplify right side
    296,830.83x = 32,142,975,754.18
  5. Step 5: Solve for x
    x = 32,142,975,754.18/296,830.83
  6. Step 6: Final answer
    x = 108,287.19

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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.