Home / 228,370.11-315,148.41-126,395.77

Finding the Fourth Proportional to 228,370.11, 315,148.41 and 126,395.77

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Solution

The fourth proportional to 228,370.11, 315,148.41 and 126,395.77 is: 174,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,370.11 : 315,148.41 = 126,395.77 : x
  2. Step 2: Convert to fraction form
    228,370.11/315,148.41 = 126,395.77/x
  3. Step 3: Cross multiply
    228,370.11x = 315,148.41 × 126,395.77
  4. Step 4: Simplify right side
    228,370.11x = 39,833,425,158.35
  5. Step 5: Solve for x
    x = 39,833,425,158.35/228,370.11
  6. Step 6: Final answer
    x = 174,424.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.