Home / 261,210.72-360,367.20-170,537.76

Finding the Fourth Proportional to 261,210.72, 360,367.20 and 170,537.76

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Solution

The fourth proportional to 261,210.72, 360,367.20 and 170,537.76 is: 235,274.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,210.72 : 360,367.20 = 170,537.76 : x
  2. Step 2: Convert to fraction form
    261,210.72/360,367.20 = 170,537.76/x
  3. Step 3: Cross multiply
    261,210.72x = 360,367.20 × 170,537.76
  4. Step 4: Simplify right side
    261,210.72x = 61,456,215,065.47
  5. Step 5: Solve for x
    x = 61,456,215,065.47/261,210.72
  6. Step 6: Final answer
    x = 235,274.48

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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.