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Finding the Fourth Proportional to 144,883.61, 217,280.40 and 69,957.17

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Solution

The fourth proportional to 144,883.61, 217,280.40 and 69,957.17 is: 104,914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,883.61 : 217,280.40 = 69,957.17 : x
  2. Step 2: Convert to fraction form
    144,883.61/217,280.40 = 69,957.17/x
  3. Step 3: Cross multiply
    144,883.61x = 217,280.40 × 69,957.17
  4. Step 4: Simplify right side
    144,883.61x = 15,200,320,794.07
  5. Step 5: Solve for x
    x = 15,200,320,794.07/144,883.61
  6. Step 6: Final answer
    x = 104,914.02

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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.