Home / 475,020.40-712,933.80-194,738.80

Finding the Fourth Proportional to 475,020.40, 712,933.80 and 194,738.80

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Solution

The fourth proportional to 475,020.40, 712,933.80 and 194,738.80 is: 292,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,020.40 : 712,933.80 = 194,738.80 : x
  2. Step 2: Convert to fraction form
    475,020.40/712,933.80 = 194,738.80/x
  3. Step 3: Cross multiply
    475,020.40x = 712,933.80 × 194,738.80
  4. Step 4: Simplify right side
    475,020.40x = 138,835,872,691.44
  5. Step 5: Solve for x
    x = 138,835,872,691.44/475,020.40
  6. Step 6: Final answer
    x = 292,273.50

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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.