Home / 283,169.46-390,765.69-155,842.32

Finding the Fourth Proportional to 283,169.46, 390,765.69 and 155,842.32

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Solution

The fourth proportional to 283,169.46, 390,765.69 and 155,842.32 is: 215,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,169.46 : 390,765.69 = 155,842.32 : x
  2. Step 2: Convert to fraction form
    283,169.46/390,765.69 = 155,842.32/x
  3. Step 3: Cross multiply
    283,169.46x = 390,765.69 × 155,842.32
  4. Step 4: Simplify right side
    283,169.46x = 60,897,831,706.00
  5. Step 5: Solve for x
    x = 60,897,831,706.00/283,169.46
  6. Step 6: Final answer
    x = 215,057.91

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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.