Home / 370,927.80-556,359.30-121,609.80

Finding the Fourth Proportional to 370,927.80, 556,359.30 and 121,609.80

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Solution

The fourth proportional to 370,927.80, 556,359.30 and 121,609.80 is: 182,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,927.80 : 556,359.30 = 121,609.80 : x
  2. Step 2: Convert to fraction form
    370,927.80/556,359.30 = 121,609.80/x
  3. Step 3: Cross multiply
    370,927.80x = 556,359.30 × 121,609.80
  4. Step 4: Simplify right side
    370,927.80x = 67,658,743,201.14
  5. Step 5: Solve for x
    x = 67,658,743,201.14/370,927.80
  6. Step 6: Final answer
    x = 182,404.08

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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.