Home / 491,005.20-736,507.80-158,581.20

Finding the Fourth Proportional to 491,005.20, 736,507.80 and 158,581.20

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Solution

The fourth proportional to 491,005.20, 736,507.80 and 158,581.20 is: 237,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,005.20 : 736,507.80 = 158,581.20 : x
  2. Step 2: Convert to fraction form
    491,005.20/736,507.80 = 158,581.20/x
  3. Step 3: Cross multiply
    491,005.20x = 736,507.80 × 158,581.20
  4. Step 4: Simplify right side
    491,005.20x = 116,796,290,733.36
  5. Step 5: Solve for x
    x = 116,796,290,733.36/491,005.20
  6. Step 6: Final answer
    x = 237,871.80

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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.