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Finding the Fourth Proportional to 360,590.62, 497,581.61 and 199,442.21

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Solution

The fourth proportional to 360,590.62, 497,581.61 and 199,442.21 is: 275,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,590.62 : 497,581.61 = 199,442.21 : x
  2. Step 2: Convert to fraction form
    360,590.62/497,581.61 = 199,442.21/x
  3. Step 3: Cross multiply
    360,590.62x = 497,581.61 × 199,442.21
  4. Step 4: Simplify right side
    360,590.62x = 99,238,775,270.42
  5. Step 5: Solve for x
    x = 99,238,775,270.42/360,590.62
  6. Step 6: Final answer
    x = 275,211.75

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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.