Home / 380,581.13-570,896.30-127,851.41

Finding the Fourth Proportional to 380,581.13, 570,896.30 and 127,851.41

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Solution

The fourth proportional to 380,581.13, 570,896.30 and 127,851.41 is: 191,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,581.13 : 570,896.30 = 127,851.41 : x
  2. Step 2: Convert to fraction form
    380,581.13/570,896.30 = 127,851.41/x
  3. Step 3: Cross multiply
    380,581.13x = 570,896.30 × 127,851.41
  4. Step 4: Simplify right side
    380,581.13x = 72,989,898,665.65
  5. Step 5: Solve for x
    x = 72,989,898,665.65/380,581.13
  6. Step 6: Final answer
    x = 191,785.38

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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.