Home / 370,977.10-556,481.85-121,659.10

Finding the Fourth Proportional to 370,977.10, 556,481.85 and 121,659.10

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Solution

The fourth proportional to 370,977.10, 556,481.85 and 121,659.10 is: 182,493.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,977.10 : 556,481.85 = 121,659.10 : x
  2. Step 2: Convert to fraction form
    370,977.10/556,481.85 = 121,659.10/x
  3. Step 3: Cross multiply
    370,977.10x = 556,481.85 × 121,659.10
  4. Step 4: Simplify right side
    370,977.10x = 67,701,081,037.34
  5. Step 5: Solve for x
    x = 67,701,081,037.34/370,977.10
  6. Step 6: Final answer
    x = 182,493.96

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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.