Home / 370,723.30-556,052.55-121,405.30

Finding the Fourth Proportional to 370,723.30, 556,052.55 and 121,405.30

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Solution

The fourth proportional to 370,723.30, 556,052.55 and 121,405.30 is: 182,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,723.30 : 556,052.55 = 121,405.30 : x
  2. Step 2: Convert to fraction form
    370,723.30/556,052.55 = 121,405.30/x
  3. Step 3: Cross multiply
    370,723.30x = 556,052.55 × 121,405.30
  4. Step 4: Simplify right side
    370,723.30x = 67,507,726,648.52
  5. Step 5: Solve for x
    x = 67,507,726,648.52/370,723.30
  6. Step 6: Final answer
    x = 182,097.34

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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.