Home / 345,115.74-517,433.43-152,885.76

Finding the Fourth Proportional to 345,115.74, 517,433.43 and 152,885.76

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Solution

The fourth proportional to 345,115.74, 517,433.43 and 152,885.76 is: 229,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,115.74 : 517,433.43 = 152,885.76 : x
  2. Step 2: Convert to fraction form
    345,115.74/517,433.43 = 152,885.76/x
  3. Step 3: Cross multiply
    345,115.74x = 517,433.43 × 152,885.76
  4. Step 4: Simplify right side
    345,115.74x = 79,108,203,194.96
  5. Step 5: Solve for x
    x = 79,108,203,194.96/345,115.74
  6. Step 6: Final answer
    x = 229,222.24

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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.