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Finding the Fourth Proportional to 118,477.41, 177,727.25 and 43,598.98

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Solution

The fourth proportional to 118,477.41, 177,727.25 and 43,598.98 is: 65,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,477.41 : 177,727.25 = 43,598.98 : x
  2. Step 2: Convert to fraction form
    118,477.41/177,727.25 = 43,598.98/x
  3. Step 3: Cross multiply
    118,477.41x = 177,727.25 × 43,598.98
  4. Step 4: Simplify right side
    118,477.41x = 7,748,726,818.21
  5. Step 5: Solve for x
    x = 7,748,726,818.21/118,477.41
  6. Step 6: Final answer
    x = 65,402.57

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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.