Home / 279,319.52-385,469.04-152,003.32

Finding the Fourth Proportional to 279,319.52, 385,469.04 and 152,003.32

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Solution

The fourth proportional to 279,319.52, 385,469.04 and 152,003.32 is: 209,768.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,319.52 : 385,469.04 = 152,003.32 : x
  2. Step 2: Convert to fraction form
    279,319.52/385,469.04 = 152,003.32/x
  3. Step 3: Cross multiply
    279,319.52x = 385,469.04 × 152,003.32
  4. Step 4: Simplify right side
    279,319.52x = 58,592,573,837.21
  5. Step 5: Solve for x
    x = 58,592,573,837.21/279,319.52
  6. Step 6: Final answer
    x = 209,768.99

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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.