Home / 269,235.12-371,547-148,380.76

Finding the Fourth Proportional to 269,235.12, 371,547 and 148,380.76

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Solution

The fourth proportional to 269,235.12, 371,547 and 148,380.76 is: 204,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,235.12 : 371,547 = 148,380.76 : x
  2. Step 2: Convert to fraction form
    269,235.12/371,547 = 148,380.76/x
  3. Step 3: Cross multiply
    269,235.12x = 371,547 × 148,380.76
  4. Step 4: Simplify right side
    269,235.12x = 55,130,426,235.72
  5. Step 5: Solve for x
    x = 55,130,426,235.72/269,235.12
  6. Step 6: Final answer
    x = 204,766.85

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1.5x scale

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.