Home / 437,518.08-656,314.17-121,975.29

Finding the Fourth Proportional to 437,518.08, 656,314.17 and 121,975.29

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Solution

The fourth proportional to 437,518.08, 656,314.17 and 121,975.29 is: 182,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,518.08 : 656,314.17 = 121,975.29 : x
  2. Step 2: Convert to fraction form
    437,518.08/656,314.17 = 121,975.29/x
  3. Step 3: Cross multiply
    437,518.08x = 656,314.17 × 121,975.29
  4. Step 4: Simplify right side
    437,518.08x = 80,054,111,216.86
  5. Step 5: Solve for x
    x = 80,054,111,216.86/437,518.08
  6. Step 6: Final answer
    x = 182,973.26

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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.