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Finding the Fourth Proportional to 370,825.34, 556,053.96 and 118,072.90

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Solution

The fourth proportional to 370,825.34, 556,053.96 and 118,072.90 is: 177,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,825.34 : 556,053.96 = 118,072.90 : x
  2. Step 2: Convert to fraction form
    370,825.34/556,053.96 = 118,072.90/x
  3. Step 3: Cross multiply
    370,825.34x = 556,053.96 × 118,072.90
  4. Step 4: Simplify right side
    370,825.34x = 65,654,903,613.68
  5. Step 5: Solve for x
    x = 65,654,903,613.68/370,825.34
  6. Step 6: Final answer
    x = 177,050.75

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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.