Home / 283,973.61-425,966.55-84,308.01

Finding the Fourth Proportional to 283,973.61, 425,966.55 and 84,308.01

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Solution

The fourth proportional to 283,973.61, 425,966.55 and 84,308.01 is: 126,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,973.61 : 425,966.55 = 84,308.01 : x
  2. Step 2: Convert to fraction form
    283,973.61/425,966.55 = 84,308.01/x
  3. Step 3: Cross multiply
    283,973.61x = 425,966.55 × 84,308.01
  4. Step 4: Simplify right side
    283,973.61x = 35,912,392,157.07
  5. Step 5: Solve for x
    x = 35,912,392,157.07/283,973.61
  6. Step 6: Final answer
    x = 126,463.84

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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.