Home / 454,747.40-682,181.85-155,152.70

Finding the Fourth Proportional to 454,747.40, 682,181.85 and 155,152.70

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Solution

The fourth proportional to 454,747.40, 682,181.85 and 155,152.70 is: 232,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,747.40 : 682,181.85 = 155,152.70 : x
  2. Step 2: Convert to fraction form
    454,747.40/682,181.85 = 155,152.70/x
  3. Step 3: Cross multiply
    454,747.40x = 682,181.85 × 155,152.70
  4. Step 4: Simplify right side
    454,747.40x = 105,842,355,918.50
  5. Step 5: Solve for x
    x = 105,842,355,918.50/454,747.40
  6. Step 6: Final answer
    x = 232,749.78

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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.