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Finding the Fourth Proportional to 375,696, 518,513.63 and 232,502.18

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Solution

The fourth proportional to 375,696, 518,513.63 and 232,502.18 is: 320,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,696 : 518,513.63 = 232,502.18 : x
  2. Step 2: Convert to fraction form
    375,696/518,513.63 = 232,502.18/x
  3. Step 3: Cross multiply
    375,696x = 518,513.63 × 232,502.18
  4. Step 4: Simplify right side
    375,696x = 120,555,545,579.63
  5. Step 5: Solve for x
    x = 120,555,545,579.63/375,696
  6. Step 6: Final answer
    x = 320,885.89

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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.