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Finding the Fourth Proportional to 295,423.80, 442,833.30 and 145,433.40

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Solution

The fourth proportional to 295,423.80, 442,833.30 and 145,433.40 is: 218,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,423.80 : 442,833.30 = 145,433.40 : x
  2. Step 2: Convert to fraction form
    295,423.80/442,833.30 = 145,433.40/x
  3. Step 3: Cross multiply
    295,423.80x = 442,833.30 × 145,433.40
  4. Step 4: Simplify right side
    295,423.80x = 64,402,752,452.22
  5. Step 5: Solve for x
    x = 64,402,752,452.22/295,423.80
  6. Step 6: Final answer
    x = 218,001.23

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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.