Home / 349,320.80-523,981.20-243,032.60

Finding the Fourth Proportional to 349,320.80, 523,981.20 and 243,032.60

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Solution

The fourth proportional to 349,320.80, 523,981.20 and 243,032.60 is: 364,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,320.80 : 523,981.20 = 243,032.60 : x
  2. Step 2: Convert to fraction form
    349,320.80/523,981.20 = 243,032.60/x
  3. Step 3: Cross multiply
    349,320.80x = 523,981.20 × 243,032.60
  4. Step 4: Simplify right side
    349,320.80x = 127,344,513,387.12
  5. Step 5: Solve for x
    x = 127,344,513,387.12/349,320.80
  6. Step 6: Final answer
    x = 364,548.90

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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.