Home / 261,056.43-360,250.88-153,632.79

Finding the Fourth Proportional to 261,056.43, 360,250.88 and 153,632.79

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Solution

The fourth proportional to 261,056.43, 360,250.88 and 153,632.79 is: 212,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,056.43 : 360,250.88 = 153,632.79 : x
  2. Step 2: Convert to fraction form
    261,056.43/360,250.88 = 153,632.79/x
  3. Step 3: Cross multiply
    261,056.43x = 360,250.88 × 153,632.79
  4. Step 4: Simplify right side
    261,056.43x = 55,346,347,026.19
  5. Step 5: Solve for x
    x = 55,346,347,026.19/261,056.43
  6. Step 6: Final answer
    x = 212,009.13

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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.