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Finding the Fourth Proportional to 283,313.84, 425,016.91 and 83,654.40

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Solution

The fourth proportional to 283,313.84, 425,016.91 and 83,654.40 is: 125,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,313.84 : 425,016.91 = 83,654.40 : x
  2. Step 2: Convert to fraction form
    283,313.84/425,016.91 = 83,654.40/x
  3. Step 3: Cross multiply
    283,313.84x = 425,016.91 × 83,654.40
  4. Step 4: Simplify right side
    283,313.84x = 35,554,534,595.90
  5. Step 5: Solve for x
    x = 35,554,534,595.90/283,313.84
  6. Step 6: Final answer
    x = 125,495.23

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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.