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Finding the Fourth Proportional to 247,703.54, 371,554.65 and 70,212.11

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Solution

The fourth proportional to 247,703.54, 371,554.65 and 70,212.11 is: 105,317.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,703.54 : 371,554.65 = 70,212.11 : x
  2. Step 2: Convert to fraction form
    247,703.54/371,554.65 = 70,212.11/x
  3. Step 3: Cross multiply
    247,703.54x = 371,554.65 × 70,212.11
  4. Step 4: Simplify right side
    247,703.54x = 26,087,634,099.04
  5. Step 5: Solve for x
    x = 26,087,634,099.04/247,703.54
  6. Step 6: Final answer
    x = 105,317.97

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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.