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Finding the Fourth Proportional to 332,655.32, 499,024.51 and 130,225.28

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Solution

The fourth proportional to 332,655.32, 499,024.51 and 130,225.28 is: 195,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,655.32 : 499,024.51 = 130,225.28 : x
  2. Step 2: Convert to fraction form
    332,655.32/499,024.51 = 130,225.28/x
  3. Step 3: Cross multiply
    332,655.32x = 499,024.51 × 130,225.28
  4. Step 4: Simplify right side
    332,655.32x = 64,985,606,009.32
  5. Step 5: Solve for x
    x = 64,985,606,009.32/332,655.32
  6. Step 6: Final answer
    x = 195,354.17

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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.