Home / 344,811.72-517,212.40-155,138.16

Finding the Fourth Proportional to 344,811.72, 517,212.40 and 155,138.16

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Solution

The fourth proportional to 344,811.72, 517,212.40 and 155,138.16 is: 232,704.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,811.72 : 517,212.40 = 155,138.16 : x
  2. Step 2: Convert to fraction form
    344,811.72/517,212.40 = 155,138.16/x
  3. Step 3: Cross multiply
    344,811.72x = 517,212.40 × 155,138.16
  4. Step 4: Simplify right side
    344,811.72x = 80,239,380,065.18
  5. Step 5: Solve for x
    x = 80,239,380,065.18/344,811.72
  6. Step 6: Final answer
    x = 232,704.91

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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.