Home / 437,519.08-656,315.67-121,976.29

Finding the Fourth Proportional to 437,519.08, 656,315.67 and 121,976.29

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Solution

The fourth proportional to 437,519.08, 656,315.67 and 121,976.29 is: 182,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,519.08 : 656,315.67 = 121,976.29 : x
  2. Step 2: Convert to fraction form
    437,519.08/656,315.67 = 121,976.29/x
  3. Step 3: Cross multiply
    437,519.08x = 656,315.67 × 121,976.29
  4. Step 4: Simplify right side
    437,519.08x = 80,054,950,495.46
  5. Step 5: Solve for x
    x = 80,054,950,495.46/437,519.08
  6. Step 6: Final answer
    x = 182,974.76

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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.