Home / 331,214.40-457,077.60-180,312.48

Finding the Fourth Proportional to 331,214.40, 457,077.60 and 180,312.48

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Solution

The fourth proportional to 331,214.40, 457,077.60 and 180,312.48 is: 248,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,214.40 : 457,077.60 = 180,312.48 : x
  2. Step 2: Convert to fraction form
    331,214.40/457,077.60 = 180,312.48/x
  3. Step 3: Cross multiply
    331,214.40x = 457,077.60 × 180,312.48
  4. Step 4: Simplify right side
    331,214.40x = 82,416,795,608.45
  5. Step 5: Solve for x
    x = 82,416,795,608.45/331,214.40
  6. Step 6: Final answer
    x = 248,832.16

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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.