Home / 328,350.03-492,714.96-138,798.13

Finding the Fourth Proportional to 328,350.03, 492,714.96 and 138,798.13

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Solution

The fourth proportional to 328,350.03, 492,714.96 and 138,798.13 is: 208,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,350.03 : 492,714.96 = 138,798.13 : x
  2. Step 2: Convert to fraction form
    328,350.03/492,714.96 = 138,798.13/x
  3. Step 3: Cross multiply
    328,350.03x = 492,714.96 × 138,798.13
  4. Step 4: Simplify right side
    328,350.03x = 68,387,913,318.74
  5. Step 5: Solve for x
    x = 68,387,913,318.74/328,350.03
  6. Step 6: Final answer
    x = 208,277.47

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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.