Home / 259,263.90-388,740.33-101,304.18

Finding the Fourth Proportional to 259,263.90, 388,740.33 and 101,304.18

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Solution

The fourth proportional to 259,263.90, 388,740.33 and 101,304.18 is: 151,895.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,263.90 : 388,740.33 = 101,304.18 : x
  2. Step 2: Convert to fraction form
    259,263.90/388,740.33 = 101,304.18/x
  3. Step 3: Cross multiply
    259,263.90x = 388,740.33 × 101,304.18
  4. Step 4: Simplify right side
    259,263.90x = 39,381,020,363.58
  5. Step 5: Solve for x
    x = 39,381,020,363.58/259,263.90
  6. Step 6: Final answer
    x = 151,895.50

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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.