Home / 226,420.40-312,363.24-141,389.84

Finding the Fourth Proportional to 226,420.40, 312,363.24 and 141,389.84

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Solution

The fourth proportional to 226,420.40, 312,363.24 and 141,389.84 is: 195,057.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,420.40 : 312,363.24 = 141,389.84 : x
  2. Step 2: Convert to fraction form
    226,420.40/312,363.24 = 141,389.84/x
  3. Step 3: Cross multiply
    226,420.40x = 312,363.24 × 141,389.84
  4. Step 4: Simplify right side
    226,420.40x = 44,164,988,525.48
  5. Step 5: Solve for x
    x = 44,164,988,525.48/226,420.40
  6. Step 6: Final answer
    x = 195,057.46

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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.