Home / 225,316.29-337,853.21-90,312.60

Finding the Fourth Proportional to 225,316.29, 337,853.21 and 90,312.60

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Solution

The fourth proportional to 225,316.29, 337,853.21 and 90,312.60 is: 135,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,316.29 : 337,853.21 = 90,312.60 : x
  2. Step 2: Convert to fraction form
    225,316.29/337,853.21 = 90,312.60/x
  3. Step 3: Cross multiply
    225,316.29x = 337,853.21 × 90,312.60
  4. Step 4: Simplify right side
    225,316.29x = 30,512,401,361.88
  5. Step 5: Solve for x
    x = 30,512,401,361.88/225,316.29
  6. Step 6: Final answer
    x = 135,420.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.