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Finding the Fourth Proportional to 216,462.66, 298,525.12 and 135,897.76

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Solution

The fourth proportional to 216,462.66, 298,525.12 and 135,897.76 is: 187,417.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,462.66 : 298,525.12 = 135,897.76 : x
  2. Step 2: Convert to fraction form
    216,462.66/298,525.12 = 135,897.76/x
  3. Step 3: Cross multiply
    216,462.66x = 298,525.12 × 135,897.76
  4. Step 4: Simplify right side
    216,462.66x = 40,568,895,111.73
  5. Step 5: Solve for x
    x = 40,568,895,111.73/216,462.66
  6. Step 6: Final answer
    x = 187,417.52

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1.5x scale

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.