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Finding the Fourth Proportional to 144,146.52, 216,240.44 and 44,315.07

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Solution

The fourth proportional to 144,146.52, 216,240.44 and 44,315.07 is: 66,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,146.52 : 216,240.44 = 44,315.07 : x
  2. Step 2: Convert to fraction form
    144,146.52/216,240.44 = 44,315.07/x
  3. Step 3: Cross multiply
    144,146.52x = 216,240.44 × 44,315.07
  4. Step 4: Simplify right side
    144,146.52x = 9,582,710,013.86
  5. Step 5: Solve for x
    x = 9,582,710,013.86/144,146.52
  6. Step 6: Final answer
    x = 66,478.95

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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.