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Finding the Fourth Proportional to 506,334.60, 759,404.70 and 151,360.20

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Solution

The fourth proportional to 506,334.60, 759,404.70 and 151,360.20 is: 227,011.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,334.60 : 759,404.70 = 151,360.20 : x
  2. Step 2: Convert to fraction form
    506,334.60/759,404.70 = 151,360.20/x
  3. Step 3: Cross multiply
    506,334.60x = 759,404.70 × 151,360.20
  4. Step 4: Simplify right side
    506,334.60x = 114,943,647,272.94
  5. Step 5: Solve for x
    x = 114,943,647,272.94/506,334.60
  6. Step 6: Final answer
    x = 227,011.24

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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.