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Finding the Fourth Proportional to 283,313.08, 425,015.78 and 83,653.66

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Solution

The fourth proportional to 283,313.08, 425,015.78 and 83,653.66 is: 125,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,313.08 : 425,015.78 = 83,653.66 : x
  2. Step 2: Convert to fraction form
    283,313.08/425,015.78 = 83,653.66/x
  3. Step 3: Cross multiply
    283,313.08x = 425,015.78 × 83,653.66
  4. Step 4: Simplify right side
    283,313.08x = 35,554,125,554.75
  5. Step 5: Solve for x
    x = 35,554,125,554.75/283,313.08
  6. Step 6: Final answer
    x = 125,494.12

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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.