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Finding the Fourth Proportional to 357,590.22, 493,354.02 and 202,520.28

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Solution

The fourth proportional to 357,590.22, 493,354.02 and 202,520.28 is: 279,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,590.22 : 493,354.02 = 202,520.28 : x
  2. Step 2: Convert to fraction form
    357,590.22/493,354.02 = 202,520.28/x
  3. Step 3: Cross multiply
    357,590.22x = 493,354.02 × 202,520.28
  4. Step 4: Simplify right side
    357,590.22x = 99,914,194,269.53
  5. Step 5: Solve for x
    x = 99,914,194,269.53/357,590.22
  6. Step 6: Final answer
    x = 279,409.75

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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.