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Finding the Fourth Proportional to 151,469.10, 227,498.89 and 123,409.89

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Solution

The fourth proportional to 151,469.10, 227,498.89 and 123,409.89 is: 185,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,469.10 : 227,498.89 = 123,409.89 : x
  2. Step 2: Convert to fraction form
    151,469.10/227,498.89 = 123,409.89/x
  3. Step 3: Cross multiply
    151,469.10x = 227,498.89 × 123,409.89
  4. Step 4: Simplify right side
    151,469.10x = 28,075,612,681.50
  5. Step 5: Solve for x
    x = 28,075,612,681.50/151,469.10
  6. Step 6: Final answer
    x = 185,355.38

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1.5x scale

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.