Home / 302,753.06-453,971.91-142,786.04

Finding the Fourth Proportional to 302,753.06, 453,971.91 and 142,786.04

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Solution

The fourth proportional to 302,753.06, 453,971.91 and 142,786.04 is: 214,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,753.06 : 453,971.91 = 142,786.04 : x
  2. Step 2: Convert to fraction form
    302,753.06/453,971.91 = 142,786.04/x
  3. Step 3: Cross multiply
    302,753.06x = 453,971.91 × 142,786.04
  4. Step 4: Simplify right side
    302,753.06x = 64,820,852,078.10
  5. Step 5: Solve for x
    x = 64,820,852,078.10/302,753.06
  6. Step 6: Final answer
    x = 214,104.70

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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.