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Finding the Fourth Proportional to 653,646.09, 980,525.62 and 180,331.45

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Solution

The fourth proportional to 653,646.09, 980,525.62 and 180,331.45 is: 270,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,646.09 : 980,525.62 = 180,331.45 : x
  2. Step 2: Convert to fraction form
    653,646.09/980,525.62 = 180,331.45/x
  3. Step 3: Cross multiply
    653,646.09x = 980,525.62 × 180,331.45
  4. Step 4: Simplify right side
    653,646.09x = 176,819,606,816.75
  5. Step 5: Solve for x
    x = 176,819,606,816.75/653,646.09
  6. Step 6: Final answer
    x = 270,512.76

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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.