Home / 838,225.16-1,257,325.44-207,138.97

Finding the Fourth Proportional to 838,225.16, 1,257,325.44 and 207,138.97

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Solution

The fourth proportional to 838,225.16, 1,257,325.44 and 207,138.97 is: 310,705.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,225.16 : 1,257,325.44 = 207,138.97 : x
  2. Step 2: Convert to fraction form
    838,225.16/1,257,325.44 = 207,138.97/x
  3. Step 3: Cross multiply
    838,225.16x = 1,257,325.44 × 207,138.97
  4. Step 4: Simplify right side
    838,225.16x = 260,441,097,391.28
  5. Step 5: Solve for x
    x = 260,441,097,391.28/838,225.16
  6. Step 6: Final answer
    x = 310,705.42

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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.