Home / 348,750.13-523,130.05-99,432.13

Finding the Fourth Proportional to 348,750.13, 523,130.05 and 99,432.13

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Solution

The fourth proportional to 348,750.13, 523,130.05 and 99,432.13 is: 149,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,750.13 : 523,130.05 = 99,432.13 : x
  2. Step 2: Convert to fraction form
    348,750.13/523,130.05 = 99,432.13/x
  3. Step 3: Cross multiply
    348,750.13x = 523,130.05 × 99,432.13
  4. Step 4: Simplify right side
    348,750.13x = 52,015,932,522.86
  5. Step 5: Solve for x
    x = 52,015,932,522.86/348,750.13
  6. Step 6: Final answer
    x = 149,149.57

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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.