Home / 348,048.40-522,072.60-330,077.20

Finding the Fourth Proportional to 348,048.40, 522,072.60 and 330,077.20

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Solution

The fourth proportional to 348,048.40, 522,072.60 and 330,077.20 is: 495,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,048.40 : 522,072.60 = 330,077.20 : x
  2. Step 2: Convert to fraction form
    348,048.40/522,072.60 = 330,077.20/x
  3. Step 3: Cross multiply
    348,048.40x = 522,072.60 × 330,077.20
  4. Step 4: Simplify right side
    348,048.40x = 172,324,262,004.72
  5. Step 5: Solve for x
    x = 172,324,262,004.72/348,048.40
  6. Step 6: Final answer
    x = 495,115.80

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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.