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Finding the Fourth Proportional to 247,703.79, 371,555.02 and 70,212.36

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Solution

The fourth proportional to 247,703.79, 371,555.02 and 70,212.36 is: 105,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,703.79 : 371,555.02 = 70,212.36 : x
  2. Step 2: Convert to fraction form
    247,703.79/371,555.02 = 70,212.36/x
  3. Step 3: Cross multiply
    247,703.79x = 371,555.02 × 70,212.36
  4. Step 4: Simplify right side
    247,703.79x = 26,087,754,824.05
  5. Step 5: Solve for x
    x = 26,087,754,824.05/247,703.79
  6. Step 6: Final answer
    x = 105,318.35

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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.