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Finding the Fourth Proportional to 448,663.25, 673,294.16 and 232,721.00

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Solution

The fourth proportional to 448,663.25, 673,294.16 and 232,721.00 is: 349,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,663.25 : 673,294.16 = 232,721.00 : x
  2. Step 2: Convert to fraction form
    448,663.25/673,294.16 = 232,721.00/x
  3. Step 3: Cross multiply
    448,663.25x = 673,294.16 × 232,721.00
  4. Step 4: Simplify right side
    448,663.25x = 156,689,692,474.40
  5. Step 5: Solve for x
    x = 156,689,692,474.40/448,663.25
  6. Step 6: Final answer
    x = 349,236.74

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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.