Home / 289,985.56-400,179.24-160,943.52

Finding the Fourth Proportional to 289,985.56, 400,179.24 and 160,943.52

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Solution

The fourth proportional to 289,985.56, 400,179.24 and 160,943.52 is: 222,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,985.56 : 400,179.24 = 160,943.52 : x
  2. Step 2: Convert to fraction form
    289,985.56/400,179.24 = 160,943.52/x
  3. Step 3: Cross multiply
    289,985.56x = 400,179.24 × 160,943.52
  4. Step 4: Simplify right side
    289,985.56x = 64,406,255,516.52
  5. Step 5: Solve for x
    x = 64,406,255,516.52/289,985.56
  6. Step 6: Final answer
    x = 222,101.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.