Home / 261,055.09-360,247.53-153,631

Finding the Fourth Proportional to 261,055.09, 360,247.53 and 153,631

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Solution

The fourth proportional to 261,055.09, 360,247.53 and 153,631 is: 212,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,055.09 : 360,247.53 = 153,631 : x
  2. Step 2: Convert to fraction form
    261,055.09/360,247.53 = 153,631/x
  3. Step 3: Cross multiply
    261,055.09x = 360,247.53 × 153,631
  4. Step 4: Simplify right side
    261,055.09x = 55,345,188,281.43
  5. Step 5: Solve for x
    x = 55,345,188,281.43/261,055.09
  6. Step 6: Final answer
    x = 212,005.78

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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.