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Finding the Fourth Proportional to 325,151.80, 487,727.70 and 230,673.40

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Solution

The fourth proportional to 325,151.80, 487,727.70 and 230,673.40 is: 346,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,151.80 : 487,727.70 = 230,673.40 : x
  2. Step 2: Convert to fraction form
    325,151.80/487,727.70 = 230,673.40/x
  3. Step 3: Cross multiply
    325,151.80x = 487,727.70 × 230,673.40
  4. Step 4: Simplify right side
    325,151.80x = 112,505,806,833.18
  5. Step 5: Solve for x
    x = 112,505,806,833.18/325,151.80
  6. Step 6: Final answer
    x = 346,010.10

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1.5x scale

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.