Home / 424,267.20-585,446.40-243,021.60

Finding the Fourth Proportional to 424,267.20, 585,446.40 and 243,021.60

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Solution

The fourth proportional to 424,267.20, 585,446.40 and 243,021.60 is: 335,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,267.20 : 585,446.40 = 243,021.60 : x
  2. Step 2: Convert to fraction form
    424,267.20/585,446.40 = 243,021.60/x
  3. Step 3: Cross multiply
    424,267.20x = 585,446.40 × 243,021.60
  4. Step 4: Simplify right side
    424,267.20x = 142,276,120,842.24
  5. Step 5: Solve for x
    x = 142,276,120,842.24/424,267.20
  6. Step 6: Final answer
    x = 335,345.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.