Home / 394,793.06-592,269.55-128,482.07

Finding the Fourth Proportional to 394,793.06, 592,269.55 and 128,482.07

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Solution

The fourth proportional to 394,793.06, 592,269.55 and 128,482.07 is: 192,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,793.06 : 592,269.55 = 128,482.07 : x
  2. Step 2: Convert to fraction form
    394,793.06/592,269.55 = 128,482.07/x
  3. Step 3: Cross multiply
    394,793.06x = 592,269.55 × 128,482.07
  4. Step 4: Simplify right side
    394,793.06x = 76,096,017,139.56
  5. Step 5: Solve for x
    x = 76,096,017,139.56/394,793.06
  6. Step 6: Final answer
    x = 192,749.13

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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.