Home / 402,666.50-604,003.40-122,183.75

Finding the Fourth Proportional to 402,666.50, 604,003.40 and 122,183.75

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Solution

The fourth proportional to 402,666.50, 604,003.40 and 122,183.75 is: 183,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,666.50 : 604,003.40 = 122,183.75 : x
  2. Step 2: Convert to fraction form
    402,666.50/604,003.40 = 122,183.75/x
  3. Step 3: Cross multiply
    402,666.50x = 604,003.40 × 122,183.75
  4. Step 4: Simplify right side
    402,666.50x = 73,799,400,424.75
  5. Step 5: Solve for x
    x = 73,799,400,424.75/402,666.50
  6. Step 6: Final answer
    x = 183,276.73

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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.