Home / 247,072.20-370,608.30-243,135.60

Finding the Fourth Proportional to 247,072.20, 370,608.30 and 243,135.60

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Solution

The fourth proportional to 247,072.20, 370,608.30 and 243,135.60 is: 364,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,072.20 : 370,608.30 = 243,135.60 : x
  2. Step 2: Convert to fraction form
    247,072.20/370,608.30 = 243,135.60/x
  3. Step 3: Cross multiply
    247,072.20x = 370,608.30 × 243,135.60
  4. Step 4: Simplify right side
    247,072.20x = 90,108,071,385.48
  5. Step 5: Solve for x
    x = 90,108,071,385.48/247,072.20
  6. Step 6: Final answer
    x = 364,703.40

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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.