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Finding the Fourth Proportional to 371,006.33, 556,325.21 and 118,253.93

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Solution

The fourth proportional to 371,006.33, 556,325.21 and 118,253.93 is: 177,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,006.33 : 556,325.21 = 118,253.93 : x
  2. Step 2: Convert to fraction form
    371,006.33/556,325.21 = 118,253.93/x
  3. Step 3: Cross multiply
    371,006.33x = 556,325.21 × 118,253.93
  4. Step 4: Simplify right side
    371,006.33x = 65,787,639,067.68
  5. Step 5: Solve for x
    x = 65,787,639,067.68/371,006.33
  6. Step 6: Final answer
    x = 177,322.15

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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.