Home / 307,845.60-461,817-130,353.72

Finding the Fourth Proportional to 307,845.60, 461,817 and 130,353.72

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Solution

The fourth proportional to 307,845.60, 461,817 and 130,353.72 is: 195,551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,845.60 : 461,817 = 130,353.72 : x
  2. Step 2: Convert to fraction form
    307,845.60/461,817 = 130,353.72/x
  3. Step 3: Cross multiply
    307,845.60x = 461,817 × 130,353.72
  4. Step 4: Simplify right side
    307,845.60x = 60,199,563,909.24
  5. Step 5: Solve for x
    x = 60,199,563,909.24/307,845.60
  6. Step 6: Final answer
    x = 195,551.16

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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.