Home / 345,526.92-518,298.60-92,807.73

Finding the Fourth Proportional to 345,526.92, 518,298.60 and 92,807.73

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Solution

The fourth proportional to 345,526.92, 518,298.60 and 92,807.73 is: 139,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,526.92 : 518,298.60 = 92,807.73 : x
  2. Step 2: Convert to fraction form
    345,526.92/518,298.60 = 92,807.73/x
  3. Step 3: Cross multiply
    345,526.92x = 518,298.60 × 92,807.73
  4. Step 4: Simplify right side
    345,526.92x = 48,102,116,528.18
  5. Step 5: Solve for x
    x = 48,102,116,528.18/345,526.92
  6. Step 6: Final answer
    x = 139,213.80

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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.