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Finding the Fourth Proportional to 653,341.68, 980,136.40 and 226,860.88

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Solution

The fourth proportional to 653,341.68, 980,136.40 and 226,860.88 is: 340,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,341.68 : 980,136.40 = 226,860.88 : x
  2. Step 2: Convert to fraction form
    653,341.68/980,136.40 = 226,860.88/x
  3. Step 3: Cross multiply
    653,341.68x = 980,136.40 × 226,860.88
  4. Step 4: Simplify right side
    653,341.68x = 222,354,606,224.03
  5. Step 5: Solve for x
    x = 222,354,606,224.03/653,341.68
  6. Step 6: Final answer
    x = 340,334.34

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1.5x scale

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.