Home / 262,632.48-394,071.75-129,440.13

Finding the Fourth Proportional to 262,632.48, 394,071.75 and 129,440.13

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Solution

The fourth proportional to 262,632.48, 394,071.75 and 129,440.13 is: 194,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,632.48 : 394,071.75 = 129,440.13 : x
  2. Step 2: Convert to fraction form
    262,632.48/394,071.75 = 129,440.13/x
  3. Step 3: Cross multiply
    262,632.48x = 394,071.75 × 129,440.13
  4. Step 4: Simplify right side
    262,632.48x = 51,008,698,549.33
  5. Step 5: Solve for x
    x = 51,008,698,549.33/262,632.48
  6. Step 6: Final answer
    x = 194,220.83

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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.