Home / 152,309.84-228,459.08-39,989.02

Finding the Fourth Proportional to 152,309.84, 228,459.08 and 39,989.02

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Solution

The fourth proportional to 152,309.84, 228,459.08 and 39,989.02 is: 59,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,309.84 : 228,459.08 = 39,989.02 : x
  2. Step 2: Convert to fraction form
    152,309.84/228,459.08 = 39,989.02/x
  3. Step 3: Cross multiply
    152,309.84x = 228,459.08 × 39,989.02
  4. Step 4: Simplify right side
    152,309.84x = 9,135,854,719.30
  5. Step 5: Solve for x
    x = 9,135,854,719.30/152,309.84
  6. Step 6: Final answer
    x = 59,982.04

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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.