Home / 261,849.08-361,335.66-154,423.64

Finding the Fourth Proportional to 261,849.08, 361,335.66 and 154,423.64

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Solution

The fourth proportional to 261,849.08, 361,335.66 and 154,423.64 is: 213,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,849.08 : 361,335.66 = 154,423.64 : x
  2. Step 2: Convert to fraction form
    261,849.08/361,335.66 = 154,423.64/x
  3. Step 3: Cross multiply
    261,849.08x = 361,335.66 × 154,423.64
  4. Step 4: Simplify right side
    261,849.08x = 55,798,767,879.00
  5. Step 5: Solve for x
    x = 55,798,767,879.00/261,849.08
  6. Step 6: Final answer
    x = 213,095.15

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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.