Home / 325,332.80-487,999.20-230,854.40

Finding the Fourth Proportional to 325,332.80, 487,999.20 and 230,854.40

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Solution

The fourth proportional to 325,332.80, 487,999.20 and 230,854.40 is: 346,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,332.80 : 487,999.20 = 230,854.40 : x
  2. Step 2: Convert to fraction form
    325,332.80/487,999.20 = 230,854.40/x
  3. Step 3: Cross multiply
    325,332.80x = 487,999.20 × 230,854.40
  4. Step 4: Simplify right side
    325,332.80x = 112,656,762,516.48
  5. Step 5: Solve for x
    x = 112,656,762,516.48/325,332.80
  6. Step 6: Final answer
    x = 346,281.60

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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.