Home / 375,899.18-518,736.03-214,752.92

Finding the Fourth Proportional to 375,899.18, 518,736.03 and 214,752.92

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Solution

The fourth proportional to 375,899.18, 518,736.03 and 214,752.92 is: 296,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,899.18 : 518,736.03 = 214,752.92 : x
  2. Step 2: Convert to fraction form
    375,899.18/518,736.03 = 214,752.92/x
  3. Step 3: Cross multiply
    375,899.18x = 518,736.03 × 214,752.92
  4. Step 4: Simplify right side
    375,899.18x = 111,400,077,151.71
  5. Step 5: Solve for x
    x = 111,400,077,151.71/375,899.18
  6. Step 6: Final answer
    x = 296,356.27

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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.