Home / 307,443.24-424,258.56-226,841.76

Finding the Fourth Proportional to 307,443.24, 424,258.56 and 226,841.76

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Solution

The fourth proportional to 307,443.24, 424,258.56 and 226,841.76 is: 313,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,443.24 : 424,258.56 = 226,841.76 : x
  2. Step 2: Convert to fraction form
    307,443.24/424,258.56 = 226,841.76/x
  3. Step 3: Cross multiply
    307,443.24x = 424,258.56 × 226,841.76
  4. Step 4: Simplify right side
    307,443.24x = 96,239,558,445.47
  5. Step 5: Solve for x
    x = 96,239,558,445.47/307,443.24
  6. Step 6: Final answer
    x = 313,031.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.