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Finding the Fourth Proportional to 144,196.84, 216,278.22 and 44,356.84

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Solution

The fourth proportional to 144,196.84, 216,278.22 and 44,356.84 is: 66,530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,196.84 : 216,278.22 = 44,356.84 : x
  2. Step 2: Convert to fraction form
    144,196.84/216,278.22 = 44,356.84/x
  3. Step 3: Cross multiply
    144,196.84x = 216,278.22 × 44,356.84
  4. Step 4: Simplify right side
    144,196.84x = 9,593,418,400.02
  5. Step 5: Solve for x
    x = 9,593,418,400.02/144,196.84
  6. Step 6: Final answer
    x = 66,530.02

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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.