Home / 371,100.11-556,740.81-118,380.58

Finding the Fourth Proportional to 371,100.11, 556,740.81 and 118,380.58

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Solution

The fourth proportional to 371,100.11, 556,740.81 and 118,380.58 is: 177,599.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,100.11 : 556,740.81 = 118,380.58 : x
  2. Step 2: Convert to fraction form
    371,100.11/556,740.81 = 118,380.58/x
  3. Step 3: Cross multiply
    371,100.11x = 556,740.81 × 118,380.58
  4. Step 4: Simplify right side
    371,100.11x = 65,907,298,605.62
  5. Step 5: Solve for x
    x = 65,907,298,605.62/371,100.11
  6. Step 6: Final answer
    x = 177,599.78

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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.