Home / 338,599.20-508,004.10-138,935.82

Finding the Fourth Proportional to 338,599.20, 508,004.10 and 138,935.82

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Solution

The fourth proportional to 338,599.20, 508,004.10 and 138,935.82 is: 208,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,599.20 : 508,004.10 = 138,935.82 : x
  2. Step 2: Convert to fraction form
    338,599.20/508,004.10 = 138,935.82/x
  3. Step 3: Cross multiply
    338,599.20x = 508,004.10 × 138,935.82
  4. Step 4: Simplify right side
    338,599.20x = 70,579,966,196.86
  5. Step 5: Solve for x
    x = 70,579,966,196.86/338,599.20
  6. Step 6: Final answer
    x = 208,446.94

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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.