Home / 370,921.55-556,376.28-118,198.65

Finding the Fourth Proportional to 370,921.55, 556,376.28 and 118,198.65

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Solution

The fourth proportional to 370,921.55, 556,376.28 and 118,198.65 is: 177,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,921.55 : 556,376.28 = 118,198.65 : x
  2. Step 2: Convert to fraction form
    370,921.55/556,376.28 = 118,198.65/x
  3. Step 3: Cross multiply
    370,921.55x = 556,376.28 × 118,198.65
  4. Step 4: Simplify right side
    370,921.55x = 65,762,925,188.02
  5. Step 5: Solve for x
    x = 65,762,925,188.02/370,921.55
  6. Step 6: Final answer
    x = 177,296.05

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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.