Home / 313,799.10-433,043.31-170,558.76

Finding the Fourth Proportional to 313,799.10, 433,043.31 and 170,558.76

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Solution

The fourth proportional to 313,799.10, 433,043.31 and 170,558.76 is: 235,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,799.10 : 433,043.31 = 170,558.76 : x
  2. Step 2: Convert to fraction form
    313,799.10/433,043.31 = 170,558.76/x
  3. Step 3: Cross multiply
    313,799.10x = 433,043.31 × 170,558.76
  4. Step 4: Simplify right side
    313,799.10x = 73,859,329,979.90
  5. Step 5: Solve for x
    x = 73,859,329,979.90/313,799.10
  6. Step 6: Final answer
    x = 235,371.39

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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.