Home / 357,309.16-493,088-196,180.72

Finding the Fourth Proportional to 357,309.16, 493,088 and 196,180.72

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Solution

The fourth proportional to 357,309.16, 493,088 and 196,180.72 is: 270,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,309.16 : 493,088 = 196,180.72 : x
  2. Step 2: Convert to fraction form
    357,309.16/493,088 = 196,180.72/x
  3. Step 3: Cross multiply
    357,309.16x = 493,088 × 196,180.72
  4. Step 4: Simplify right side
    357,309.16x = 96,734,358,863.36
  5. Step 5: Solve for x
    x = 96,734,358,863.36/357,309.16
  6. Step 6: Final answer
    x = 270,730.14

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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.