Home / 228,440.45-315,280.15-132,977.90

Finding the Fourth Proportional to 228,440.45, 315,280.15 and 132,977.90

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Solution

The fourth proportional to 228,440.45, 315,280.15 and 132,977.90 is: 183,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,440.45 : 315,280.15 = 132,977.90 : x
  2. Step 2: Convert to fraction form
    228,440.45/315,280.15 = 132,977.90/x
  3. Step 3: Cross multiply
    228,440.45x = 315,280.15 × 132,977.90
  4. Step 4: Simplify right side
    228,440.45x = 41,925,292,714.44
  5. Step 5: Solve for x
    x = 41,925,292,714.44/228,440.45
  6. Step 6: Final answer
    x = 183,528.32

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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.