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Finding the Fourth Proportional to 283,778.72, 391,598.52 and 162,894.32

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Solution

The fourth proportional to 283,778.72, 391,598.52 and 162,894.32 is: 224,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,778.72 : 391,598.52 = 162,894.32 : x
  2. Step 2: Convert to fraction form
    283,778.72/391,598.52 = 162,894.32/x
  3. Step 3: Cross multiply
    283,778.72x = 391,598.52 × 162,894.32
  4. Step 4: Simplify right side
    283,778.72x = 63,789,174,628.41
  5. Step 5: Solve for x
    x = 63,789,174,628.41/283,778.72
  6. Step 6: Final answer
    x = 224,784.91

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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.