Home / 355,488.24-490,574.04-194,340.72

Finding the Fourth Proportional to 355,488.24, 490,574.04 and 194,340.72

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Solution

The fourth proportional to 355,488.24, 490,574.04 and 194,340.72 is: 268,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,488.24 : 490,574.04 = 194,340.72 : x
  2. Step 2: Convert to fraction form
    355,488.24/490,574.04 = 194,340.72/x
  3. Step 3: Cross multiply
    355,488.24x = 490,574.04 × 194,340.72
  4. Step 4: Simplify right side
    355,488.24x = 95,338,512,146.91
  5. Step 5: Solve for x
    x = 95,338,512,146.91/355,488.24
  6. Step 6: Final answer
    x = 268,190.34

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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.