Home / 305,252.10-457,768.80-155,442.60

Finding the Fourth Proportional to 305,252.10, 457,768.80 and 155,442.60

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Solution

The fourth proportional to 305,252.10, 457,768.80 and 155,442.60 is: 233,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,252.10 : 457,768.80 = 155,442.60 : x
  2. Step 2: Convert to fraction form
    305,252.10/457,768.80 = 155,442.60/x
  3. Step 3: Cross multiply
    305,252.10x = 457,768.80 × 155,442.60
  4. Step 4: Simplify right side
    305,252.10x = 71,156,772,470.88
  5. Step 5: Solve for x
    x = 71,156,772,470.88/305,252.10
  6. Step 6: Final answer
    x = 233,108.22

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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.