Home / 345,225.77-517,837.63-155,463.96

Finding the Fourth Proportional to 345,225.77, 517,837.63 and 155,463.96

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Solution

The fourth proportional to 345,225.77, 517,837.63 and 155,463.96 is: 233,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,225.77 : 517,837.63 = 155,463.96 : x
  2. Step 2: Convert to fraction form
    345,225.77/517,837.63 = 155,463.96/x
  3. Step 3: Cross multiply
    345,225.77x = 517,837.63 × 155,463.96
  4. Step 4: Simplify right side
    345,225.77x = 80,505,087,965.95
  5. Step 5: Solve for x
    x = 80,505,087,965.95/345,225.77
  6. Step 6: Final answer
    x = 233,195.48

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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.