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Finding the Fourth Proportional to 283,640.40, 425,460.60 and 230,496.30

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Solution

The fourth proportional to 283,640.40, 425,460.60 and 230,496.30 is: 345,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,640.40 : 425,460.60 = 230,496.30 : x
  2. Step 2: Convert to fraction form
    283,640.40/425,460.60 = 230,496.30/x
  3. Step 3: Cross multiply
    283,640.40x = 425,460.60 × 230,496.30
  4. Step 4: Simplify right side
    283,640.40x = 98,067,094,095.78
  5. Step 5: Solve for x
    x = 98,067,094,095.78/283,640.40
  6. Step 6: Final answer
    x = 345,744.45

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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.