Home / 355,510.24-490,604.40-194,362.72

Finding the Fourth Proportional to 355,510.24, 490,604.40 and 194,362.72

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Solution

The fourth proportional to 355,510.24, 490,604.40 and 194,362.72 is: 268,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,510.24 : 490,604.40 = 194,362.72 : x
  2. Step 2: Convert to fraction form
    355,510.24/490,604.40 = 194,362.72/x
  3. Step 3: Cross multiply
    355,510.24x = 490,604.40 × 194,362.72
  4. Step 4: Simplify right side
    355,510.24x = 95,355,205,627.97
  5. Step 5: Solve for x
    x = 95,355,205,627.97/355,510.24
  6. Step 6: Final answer
    x = 268,220.70

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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.