Home / 487,142.77-730,787.06-150,155.41

Finding the Fourth Proportional to 487,142.77, 730,787.06 and 150,155.41

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Solution

The fourth proportional to 487,142.77, 730,787.06 and 150,155.41 is: 225,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,142.77 : 730,787.06 = 150,155.41 : x
  2. Step 2: Convert to fraction form
    487,142.77/730,787.06 = 150,155.41/x
  3. Step 3: Cross multiply
    487,142.77x = 730,787.06 × 150,155.41
  4. Step 4: Simplify right side
    487,142.77x = 109,731,630,617.00
  5. Step 5: Solve for x
    x = 109,731,630,617.00/487,142.77
  6. Step 6: Final answer
    x = 225,255.59

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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.