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Finding the Fourth Proportional to 310,910.58, 429,046.83 and 174,952.26

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Solution

The fourth proportional to 310,910.58, 429,046.83 and 174,952.26 is: 241,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,910.58 : 429,046.83 = 174,952.26 : x
  2. Step 2: Convert to fraction form
    310,910.58/429,046.83 = 174,952.26/x
  3. Step 3: Cross multiply
    310,910.58x = 429,046.83 × 174,952.26
  4. Step 4: Simplify right side
    310,910.58x = 75,062,712,554.34
  5. Step 5: Solve for x
    x = 75,062,712,554.34/310,910.58
  6. Step 6: Final answer
    x = 241,428.62

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1.5x scale

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.