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Finding the Fourth Proportional to 309,398.34, 426,890.07 and 182,050.14

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Solution

The fourth proportional to 309,398.34, 426,890.07 and 182,050.14 is: 251,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,398.34 : 426,890.07 = 182,050.14 : x
  2. Step 2: Convert to fraction form
    309,398.34/426,890.07 = 182,050.14/x
  3. Step 3: Cross multiply
    309,398.34x = 426,890.07 × 182,050.14
  4. Step 4: Simplify right side
    309,398.34x = 77,715,397,008.11
  5. Step 5: Solve for x
    x = 77,715,397,008.11/309,398.34
  6. Step 6: Final answer
    x = 251,182.33

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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.