Home / 228,182.97-342,320.10-70,405.50

Finding the Fourth Proportional to 228,182.97, 342,320.10 and 70,405.50

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Solution

The fourth proportional to 228,182.97, 342,320.10 and 70,405.50 is: 105,622.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,182.97 : 342,320.10 = 70,405.50 : x
  2. Step 2: Convert to fraction form
    228,182.97/342,320.10 = 70,405.50/x
  3. Step 3: Cross multiply
    228,182.97x = 342,320.10 × 70,405.50
  4. Step 4: Simplify right side
    228,182.97x = 24,101,217,800.55
  5. Step 5: Solve for x
    x = 24,101,217,800.55/228,182.97
  6. Step 6: Final answer
    x = 105,622.33

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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.