Home / 240,343.10-331,573.29-138,344.15

Finding the Fourth Proportional to 240,343.10, 331,573.29 and 138,344.15

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Solution

The fourth proportional to 240,343.10, 331,573.29 and 138,344.15 is: 190,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,343.10 : 331,573.29 = 138,344.15 : x
  2. Step 2: Convert to fraction form
    240,343.10/331,573.29 = 138,344.15/x
  3. Step 3: Cross multiply
    240,343.10x = 331,573.29 × 138,344.15
  4. Step 4: Simplify right side
    240,343.10x = 45,871,224,967.75
  5. Step 5: Solve for x
    x = 45,871,224,967.75/240,343.10
  6. Step 6: Final answer
    x = 190,857.26

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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.