Home / 358,938.31-495,338.19-197,799.13

Finding the Fourth Proportional to 358,938.31, 495,338.19 and 197,799.13

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Solution

The fourth proportional to 358,938.31, 495,338.19 and 197,799.13 is: 272,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,938.31 : 495,338.19 = 197,799.13 : x
  2. Step 2: Convert to fraction form
    358,938.31/495,338.19 = 197,799.13/x
  3. Step 3: Cross multiply
    358,938.31x = 495,338.19 × 197,799.13
  4. Step 4: Simplify right side
    358,938.31x = 97,977,463,037.77
  5. Step 5: Solve for x
    x = 97,977,463,037.77/358,938.31
  6. Step 6: Final answer
    x = 272,964.63

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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.