Home / 261,208.68-360,405.02-165,680.52

Finding the Fourth Proportional to 261,208.68, 360,405.02 and 165,680.52

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Solution

The fourth proportional to 261,208.68, 360,405.02 and 165,680.52 is: 228,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,208.68 : 360,405.02 = 165,680.52 : x
  2. Step 2: Convert to fraction form
    261,208.68/360,405.02 = 165,680.52/x
  3. Step 3: Cross multiply
    261,208.68x = 360,405.02 × 165,680.52
  4. Step 4: Simplify right side
    261,208.68x = 59,712,091,124.21
  5. Step 5: Solve for x
    x = 59,712,091,124.21/261,208.68
  6. Step 6: Final answer
    x = 228,599.18

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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.