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Finding the Fourth Proportional to 305,011.76, 457,068.02 and 169,889.72

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Solution

The fourth proportional to 305,011.76, 457,068.02 and 169,889.72 is: 254,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,011.76 : 457,068.02 = 169,889.72 : x
  2. Step 2: Convert to fraction form
    305,011.76/457,068.02 = 169,889.72/x
  3. Step 3: Cross multiply
    305,011.76x = 457,068.02 × 169,889.72
  4. Step 4: Simplify right side
    305,011.76x = 77,651,154,803.97
  5. Step 5: Solve for x
    x = 77,651,154,803.97/305,011.76
  6. Step 6: Final answer
    x = 254,584.14

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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.