Home / 261,343.12-360,669.24-153,984.70

Finding the Fourth Proportional to 261,343.12, 360,669.24 and 153,984.70

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Solution

The fourth proportional to 261,343.12, 360,669.24 and 153,984.70 is: 212,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,343.12 : 360,669.24 = 153,984.70 : x
  2. Step 2: Convert to fraction form
    261,343.12/360,669.24 = 153,984.70/x
  3. Step 3: Cross multiply
    261,343.12x = 360,669.24 × 153,984.70
  4. Step 4: Simplify right side
    261,343.12x = 55,537,544,720.63
  5. Step 5: Solve for x
    x = 55,537,544,720.63/261,343.12
  6. Step 6: Final answer
    x = 212,508.16

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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.