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Finding the Fourth Proportional to 194,567.58, 268,483.59 and 143,608.14

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Solution

The fourth proportional to 194,567.58, 268,483.59 and 143,608.14 is: 198,164.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,567.58 : 268,483.59 = 143,608.14 : x
  2. Step 2: Convert to fraction form
    194,567.58/268,483.59 = 143,608.14/x
  3. Step 3: Cross multiply
    194,567.58x = 268,483.59 × 143,608.14
  4. Step 4: Simplify right side
    194,567.58x = 38,556,428,980.42
  5. Step 5: Solve for x
    x = 38,556,428,980.42/194,567.58
  6. Step 6: Final answer
    x = 198,164.71

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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.