Home / 370,844.50-556,288.27-143,141.42

Finding the Fourth Proportional to 370,844.50, 556,288.27 and 143,141.42

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Solution

The fourth proportional to 370,844.50, 556,288.27 and 143,141.42 is: 214,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,844.50 : 556,288.27 = 143,141.42 : x
  2. Step 2: Convert to fraction form
    370,844.50/556,288.27 = 143,141.42/x
  3. Step 3: Cross multiply
    370,844.50x = 556,288.27 × 143,141.42
  4. Step 4: Simplify right side
    370,844.50x = 79,627,892,897.14
  5. Step 5: Solve for x
    x = 79,627,892,897.14/370,844.50
  6. Step 6: Final answer
    x = 214,720.44

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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.