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Finding the Fourth Proportional to 216,726.13, 299,113.79 and 124,827.75

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Solution

The fourth proportional to 216,726.13, 299,113.79 and 124,827.75 is: 172,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,726.13 : 299,113.79 = 124,827.75 : x
  2. Step 2: Convert to fraction form
    216,726.13/299,113.79 = 124,827.75/x
  3. Step 3: Cross multiply
    216,726.13x = 299,113.79 × 124,827.75
  4. Step 4: Simplify right side
    216,726.13x = 37,337,701,399.67
  5. Step 5: Solve for x
    x = 37,337,701,399.67/216,726.13
  6. Step 6: Final answer
    x = 172,280.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.