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Finding the Fourth Proportional to 144,403.65, 216,515.25 and 55,551.30

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Solution

The fourth proportional to 144,403.65, 216,515.25 and 55,551.30 is: 83,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,403.65 : 216,515.25 = 55,551.30 : x
  2. Step 2: Convert to fraction form
    144,403.65/216,515.25 = 55,551.30/x
  3. Step 3: Cross multiply
    144,403.65x = 216,515.25 × 55,551.30
  4. Step 4: Simplify right side
    144,403.65x = 12,027,703,607.33
  5. Step 5: Solve for x
    x = 12,027,703,607.33/144,403.65
  6. Step 6: Final answer
    x = 83,292.24

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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.