Home / 491,130.47-736,815.92-171,237.98

Finding the Fourth Proportional to 491,130.47, 736,815.92 and 171,237.98

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Solution

The fourth proportional to 491,130.47, 736,815.92 and 171,237.98 is: 256,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,130.47 : 736,815.92 = 171,237.98 : x
  2. Step 2: Convert to fraction form
    491,130.47/736,815.92 = 171,237.98/x
  3. Step 3: Cross multiply
    491,130.47x = 736,815.92 × 171,237.98
  4. Step 4: Simplify right side
    491,130.47x = 126,170,865,232.37
  5. Step 5: Solve for x
    x = 126,170,865,232.37/491,130.47
  6. Step 6: Final answer
    x = 256,898.88

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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.