Home / 432,509.04-648,312.12-148,115.88

Finding the Fourth Proportional to 432,509.04, 648,312.12 and 148,115.88

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Solution

The fourth proportional to 432,509.04, 648,312.12 and 148,115.88 is: 222,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,509.04 : 648,312.12 = 148,115.88 : x
  2. Step 2: Convert to fraction form
    432,509.04/648,312.12 = 148,115.88/x
  3. Step 3: Cross multiply
    432,509.04x = 648,312.12 × 148,115.88
  4. Step 4: Simplify right side
    432,509.04x = 96,025,320,168.47
  5. Step 5: Solve for x
    x = 96,025,320,168.47/432,509.04
  6. Step 6: Final answer
    x = 222,019.22

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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.