Home / 838,228.66-1,257,330.69-207,142.48

Finding the Fourth Proportional to 838,228.66, 1,257,330.69 and 207,142.48

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Solution

The fourth proportional to 838,228.66, 1,257,330.69 and 207,142.48 is: 310,710.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,228.66 : 1,257,330.69 = 207,142.48 : x
  2. Step 2: Convert to fraction form
    838,228.66/1,257,330.69 = 207,142.48/x
  3. Step 3: Cross multiply
    838,228.66x = 1,257,330.69 × 207,142.48
  4. Step 4: Simplify right side
    838,228.66x = 260,446,591,020.06
  5. Step 5: Solve for x
    x = 260,446,591,020.06/838,228.66
  6. Step 6: Final answer
    x = 310,710.67

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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.