Home / 487,100.22-730,522.29-145,462.57

Finding the Fourth Proportional to 487,100.22, 730,522.29 and 145,462.57

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Solution

The fourth proportional to 487,100.22, 730,522.29 and 145,462.57 is: 218,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,100.22 : 730,522.29 = 145,462.57 : x
  2. Step 2: Convert to fraction form
    487,100.22/730,522.29 = 145,462.57/x
  3. Step 3: Cross multiply
    487,100.22x = 730,522.29 × 145,462.57
  4. Step 4: Simplify right side
    487,100.22x = 106,263,648,464.86
  5. Step 5: Solve for x
    x = 106,263,648,464.86/487,100.22
  6. Step 6: Final answer
    x = 218,155.62

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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.