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Finding the Fourth Proportional to 283,852.49, 425,776.57 and 84,173.45

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Solution

The fourth proportional to 283,852.49, 425,776.57 and 84,173.45 is: 126,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,852.49 : 425,776.57 = 84,173.45 : x
  2. Step 2: Convert to fraction form
    283,852.49/425,776.57 = 84,173.45/x
  3. Step 3: Cross multiply
    283,852.49x = 425,776.57 × 84,173.45
  4. Step 4: Simplify right side
    283,852.49x = 35,839,080,486.75
  5. Step 5: Solve for x
    x = 35,839,080,486.75/283,852.49
  6. Step 6: Final answer
    x = 126,259.53

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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.