Home / 437,780.02-656,670.15-105,356.02

Finding the Fourth Proportional to 437,780.02, 656,670.15 and 105,356.02

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Solution

The fourth proportional to 437,780.02, 656,670.15 and 105,356.02 is: 158,034.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,780.02 : 656,670.15 = 105,356.02 : x
  2. Step 2: Convert to fraction form
    437,780.02/656,670.15 = 105,356.02/x
  3. Step 3: Cross multiply
    437,780.02x = 656,670.15 × 105,356.02
  4. Step 4: Simplify right side
    437,780.02x = 69,184,153,456.80
  5. Step 5: Solve for x
    x = 69,184,153,456.80/437,780.02
  6. Step 6: Final answer
    x = 158,034.06

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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.