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Finding the Fourth Proportional to 338,191.84, 507,047.46 and 169,590.52

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Solution

The fourth proportional to 338,191.84, 507,047.46 and 169,590.52 is: 254,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,191.84 : 507,047.46 = 169,590.52 : x
  2. Step 2: Convert to fraction form
    338,191.84/507,047.46 = 169,590.52/x
  3. Step 3: Cross multiply
    338,191.84x = 507,047.46 × 169,590.52
  4. Step 4: Simplify right side
    338,191.84x = 85,990,442,406.08
  5. Step 5: Solve for x
    x = 85,990,442,406.08/338,191.84
  6. Step 6: Final answer
    x = 254,265.28

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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.