Home / 268,902.16-371,070.88-148,019.84

Finding the Fourth Proportional to 268,902.16, 371,070.88 and 148,019.84

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Solution

The fourth proportional to 268,902.16, 371,070.88 and 148,019.84 is: 204,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,902.16 : 371,070.88 = 148,019.84 : x
  2. Step 2: Convert to fraction form
    268,902.16/371,070.88 = 148,019.84/x
  3. Step 3: Cross multiply
    268,902.16x = 371,070.88 × 148,019.84
  4. Step 4: Simplify right side
    268,902.16x = 54,925,850,430.90
  5. Step 5: Solve for x
    x = 54,925,850,430.90/268,902.16
  6. Step 6: Final answer
    x = 204,259.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.