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Finding the Fourth Proportional to 461,379.93, 692,065.72 and 145,836.93

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Solution

The fourth proportional to 461,379.93, 692,065.72 and 145,836.93 is: 218,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,379.93 : 692,065.72 = 145,836.93 : x
  2. Step 2: Convert to fraction form
    461,379.93/692,065.72 = 145,836.93/x
  3. Step 3: Cross multiply
    461,379.93x = 692,065.72 × 145,836.93
  4. Step 4: Simplify right side
    461,379.93x = 100,928,739,963.04
  5. Step 5: Solve for x
    x = 100,928,739,963.04/461,379.93
  6. Step 6: Final answer
    x = 218,754.08

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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.