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Finding the Fourth Proportional to 360,269.48, 539,967.26 and 264,612.69

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Solution

The fourth proportional to 360,269.48, 539,967.26 and 264,612.69 is: 396,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,269.48 : 539,967.26 = 264,612.69 : x
  2. Step 2: Convert to fraction form
    360,269.48/539,967.26 = 264,612.69/x
  3. Step 3: Cross multiply
    360,269.48x = 539,967.26 × 264,612.69
  4. Step 4: Simplify right side
    360,269.48x = 142,882,189,842.06
  5. Step 5: Solve for x
    x = 142,882,189,842.06/360,269.48
  6. Step 6: Final answer
    x = 396,598.09

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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.