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Finding the Fourth Proportional to 177,369.68, 266,054.48 and 118,320.64

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Solution

The fourth proportional to 177,369.68, 266,054.48 and 118,320.64 is: 177,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,369.68 : 266,054.48 = 118,320.64 : x
  2. Step 2: Convert to fraction form
    177,369.68/266,054.48 = 118,320.64/x
  3. Step 3: Cross multiply
    177,369.68x = 266,054.48 × 118,320.64
  4. Step 4: Simplify right side
    177,369.68x = 31,479,736,348.47
  5. Step 5: Solve for x
    x = 31,479,736,348.47/177,369.68
  6. Step 6: Final answer
    x = 177,480.93

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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.