Home / 315,001.85-472,615.53-135,011.75

Finding the Fourth Proportional to 315,001.85, 472,615.53 and 135,011.75

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Solution

The fourth proportional to 315,001.85, 472,615.53 and 135,011.75 is: 202,565.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,001.85 : 472,615.53 = 135,011.75 : x
  2. Step 2: Convert to fraction form
    315,001.85/472,615.53 = 135,011.75/x
  3. Step 3: Cross multiply
    315,001.85x = 472,615.53 × 135,011.75
  4. Step 4: Simplify right side
    315,001.85x = 63,808,647,419.40
  5. Step 5: Solve for x
    x = 63,808,647,419.40/315,001.85
  6. Step 6: Final answer
    x = 202,565.95

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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.