Home / 243,384.51-336,100.68-230,131.29

Finding the Fourth Proportional to 243,384.51, 336,100.68 and 230,131.29

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Solution

The fourth proportional to 243,384.51, 336,100.68 and 230,131.29 is: 317,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,384.51 : 336,100.68 = 230,131.29 : x
  2. Step 2: Convert to fraction form
    243,384.51/336,100.68 = 230,131.29/x
  3. Step 3: Cross multiply
    243,384.51x = 336,100.68 × 230,131.29
  4. Step 4: Simplify right side
    243,384.51x = 77,347,283,058.28
  5. Step 5: Solve for x
    x = 77,347,283,058.28/243,384.51
  6. Step 6: Final answer
    x = 317,798.71

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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.