Home / 345,557.18-518,343.96-92,837.98

Finding the Fourth Proportional to 345,557.18, 518,343.96 and 92,837.98

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Solution

The fourth proportional to 345,557.18, 518,343.96 and 92,837.98 is: 139,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,557.18 : 518,343.96 = 92,837.98 : x
  2. Step 2: Convert to fraction form
    345,557.18/518,343.96 = 92,837.98/x
  3. Step 3: Cross multiply
    345,557.18x = 518,343.96 × 92,837.98
  4. Step 4: Simplify right side
    345,557.18x = 48,122,006,191.60
  5. Step 5: Solve for x
    x = 48,122,006,191.60/345,557.18
  6. Step 6: Final answer
    x = 139,259.17

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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.