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Finding the Fourth Proportional to 247,974.98, 342,208.87 and 134,800.16

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Solution

The fourth proportional to 247,974.98, 342,208.87 and 134,800.16 is: 186,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,974.98 : 342,208.87 = 134,800.16 : x
  2. Step 2: Convert to fraction form
    247,974.98/342,208.87 = 134,800.16/x
  3. Step 3: Cross multiply
    247,974.98x = 342,208.87 × 134,800.16
  4. Step 4: Simplify right side
    247,974.98x = 46,129,808,381.37
  5. Step 5: Solve for x
    x = 46,129,808,381.37/247,974.98
  6. Step 6: Final answer
    x = 186,026.06

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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.