Home / 439,669.74-659,385.96-155,322.86

Finding the Fourth Proportional to 439,669.74, 659,385.96 and 155,322.86

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Solution

The fourth proportional to 439,669.74, 659,385.96 and 155,322.86 is: 232,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,669.74 : 659,385.96 = 155,322.86 : x
  2. Step 2: Convert to fraction form
    439,669.74/659,385.96 = 155,322.86/x
  3. Step 3: Cross multiply
    439,669.74x = 659,385.96 × 155,322.86
  4. Step 4: Simplify right side
    439,669.74x = 102,417,709,854.12
  5. Step 5: Solve for x
    x = 102,417,709,854.12/439,669.74
  6. Step 6: Final answer
    x = 232,942.37

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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.