Home / 402,723.55-604,043.74-136,477.18

Finding the Fourth Proportional to 402,723.55, 604,043.74 and 136,477.18

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Solution

The fourth proportional to 402,723.55, 604,043.74 and 136,477.18 is: 204,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,723.55 : 604,043.74 = 136,477.18 : x
  2. Step 2: Convert to fraction form
    402,723.55/604,043.74 = 136,477.18/x
  3. Step 3: Cross multiply
    402,723.55x = 604,043.74 × 136,477.18
  4. Step 4: Simplify right side
    402,723.55x = 82,438,186,231.85
  5. Step 5: Solve for x
    x = 82,438,186,231.85/402,723.55
  6. Step 6: Final answer
    x = 204,701.68

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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.