Home / 284,619.06-426,928.17-74,257.01

Finding the Fourth Proportional to 284,619.06, 426,928.17 and 74,257.01

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Solution

The fourth proportional to 284,619.06, 426,928.17 and 74,257.01 is: 111,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,619.06 : 426,928.17 = 74,257.01 : x
  2. Step 2: Convert to fraction form
    284,619.06/426,928.17 = 74,257.01/x
  3. Step 3: Cross multiply
    284,619.06x = 426,928.17 × 74,257.01
  4. Step 4: Simplify right side
    284,619.06x = 31,702,407,254.33
  5. Step 5: Solve for x
    x = 31,702,407,254.33/284,619.06
  6. Step 6: Final answer
    x = 111,385.40

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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.