Home / 283,244.06-390,876.75-155,919.62

Finding the Fourth Proportional to 283,244.06, 390,876.75 and 155,919.62

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Solution

The fourth proportional to 283,244.06, 390,876.75 and 155,919.62 is: 215,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,244.06 : 390,876.75 = 155,919.62 : x
  2. Step 2: Convert to fraction form
    283,244.06/390,876.75 = 155,919.62/x
  3. Step 3: Cross multiply
    283,244.06x = 390,876.75 × 155,919.62
  4. Step 4: Simplify right side
    283,244.06x = 60,945,354,326.84
  5. Step 5: Solve for x
    x = 60,945,354,326.84/283,244.06
  6. Step 6: Final answer
    x = 215,169.05

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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.