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Finding the Fourth Proportional to 359,613.52, 496,164.36 and 216,301.84

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Solution

The fourth proportional to 359,613.52, 496,164.36 and 216,301.84 is: 298,435.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,613.52 : 496,164.36 = 216,301.84 : x
  2. Step 2: Convert to fraction form
    359,613.52/496,164.36 = 216,301.84/x
  3. Step 3: Cross multiply
    359,613.52x = 496,164.36 × 216,301.84
  4. Step 4: Simplify right side
    359,613.52x = 107,321,264,010.42
  5. Step 5: Solve for x
    x = 107,321,264,010.42/359,613.52
  6. Step 6: Final answer
    x = 298,435.01

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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.