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Finding the Fourth Proportional to 216,842.04, 299,202.66 and 124,947

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Solution

The fourth proportional to 216,842.04, 299,202.66 and 124,947 is: 172,404.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,842.04 : 299,202.66 = 124,947 : x
  2. Step 2: Convert to fraction form
    216,842.04/299,202.66 = 124,947/x
  3. Step 3: Cross multiply
    216,842.04x = 299,202.66 × 124,947
  4. Step 4: Simplify right side
    216,842.04x = 37,384,474,759.02
  5. Step 5: Solve for x
    x = 37,384,474,759.02/216,842.04
  6. Step 6: Final answer
    x = 172,404.18

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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.