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Finding the Fourth Proportional to 40,206, 60,300.78 and 15,237.45

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Solution

The fourth proportional to 40,206, 60,300.78 and 15,237.45 is: 22,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,206 : 60,300.78 = 15,237.45 : x
  2. Step 2: Convert to fraction form
    40,206/60,300.78 = 15,237.45/x
  3. Step 3: Cross multiply
    40,206x = 60,300.78 × 15,237.45
  4. Step 4: Simplify right side
    40,206x = 918,830,120.21
  5. Step 5: Solve for x
    x = 918,830,120.21/40,206
  6. Step 6: Final answer
    x = 22,853.06

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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.