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Finding the Fourth Proportional to 249,158.99, 373,792.99 and 80,696.34

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Solution

The fourth proportional to 249,158.99, 373,792.99 and 80,696.34 is: 121,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,158.99 : 373,792.99 = 80,696.34 : x
  2. Step 2: Convert to fraction form
    249,158.99/373,792.99 = 80,696.34/x
  3. Step 3: Cross multiply
    249,158.99x = 373,792.99 × 80,696.34
  4. Step 4: Simplify right side
    249,158.99x = 30,163,726,210.66
  5. Step 5: Solve for x
    x = 30,163,726,210.66/249,158.99
  6. Step 6: Final answer
    x = 121,062.16

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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.