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Finding the Fourth Proportional to 144,509.57, 216,760.29 and 39,329.45

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Solution

The fourth proportional to 144,509.57, 216,760.29 and 39,329.45 is: 58,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,509.57 : 216,760.29 = 39,329.45 : x
  2. Step 2: Convert to fraction form
    144,509.57/216,760.29 = 39,329.45/x
  3. Step 3: Cross multiply
    144,509.57x = 216,760.29 × 39,329.45
  4. Step 4: Simplify right side
    144,509.57x = 8,525,062,987.54
  5. Step 5: Solve for x
    x = 8,525,062,987.54/144,509.57
  6. Step 6: Final answer
    x = 58,993.07

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1.5x scale

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.