Home / 228,028.24-342,043.17-70,255.90

Finding the Fourth Proportional to 228,028.24, 342,043.17 and 70,255.90

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Solution

The fourth proportional to 228,028.24, 342,043.17 and 70,255.90 is: 105,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,028.24 : 342,043.17 = 70,255.90 : x
  2. Step 2: Convert to fraction form
    228,028.24/342,043.17 = 70,255.90/x
  3. Step 3: Cross multiply
    228,028.24x = 342,043.17 × 70,255.90
  4. Step 4: Simplify right side
    228,028.24x = 24,030,550,747.20
  5. Step 5: Solve for x
    x = 24,030,550,747.20/228,028.24
  6. Step 6: Final answer
    x = 105,384.10

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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.