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Finding the Fourth Proportional to 341,242.90, 511,864.31 and 116,605.27

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Solution

The fourth proportional to 341,242.90, 511,864.31 and 116,605.27 is: 174,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,242.90 : 511,864.31 = 116,605.27 : x
  2. Step 2: Convert to fraction form
    341,242.90/511,864.31 = 116,605.27/x
  3. Step 3: Cross multiply
    341,242.90x = 511,864.31 × 116,605.27
  4. Step 4: Simplify right side
    341,242.90x = 59,686,077,002.26
  5. Step 5: Solve for x
    x = 59,686,077,002.26/341,242.90
  6. Step 6: Final answer
    x = 174,907.89

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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.