Home / 438,790.50-658,185.75-106,366.50

Finding the Fourth Proportional to 438,790.50, 658,185.75 and 106,366.50

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Solution

The fourth proportional to 438,790.50, 658,185.75 and 106,366.50 is: 159,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,790.50 : 658,185.75 = 106,366.50 : x
  2. Step 2: Convert to fraction form
    438,790.50/658,185.75 = 106,366.50/x
  3. Step 3: Cross multiply
    438,790.50x = 658,185.75 × 106,366.50
  4. Step 4: Simplify right side
    438,790.50x = 70,008,914,577.38
  5. Step 5: Solve for x
    x = 70,008,914,577.38/438,790.50
  6. Step 6: Final answer
    x = 159,549.75

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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.