Home / 283,060.40-390,666.12-169,945.52

Finding the Fourth Proportional to 283,060.40, 390,666.12 and 169,945.52

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Solution

The fourth proportional to 283,060.40, 390,666.12 and 169,945.52 is: 234,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,060.40 : 390,666.12 = 169,945.52 : x
  2. Step 2: Convert to fraction form
    283,060.40/390,666.12 = 169,945.52/x
  3. Step 3: Cross multiply
    283,060.40x = 390,666.12 × 169,945.52
  4. Step 4: Simplify right side
    283,060.40x = 66,391,956,909.78
  5. Step 5: Solve for x
    x = 66,391,956,909.78/283,060.40
  6. Step 6: Final answer
    x = 234,550.49

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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.