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Finding the Fourth Proportional to 436,938.60, 655,482.60 and 200,301.60

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Solution

The fourth proportional to 436,938.60, 655,482.60 and 200,301.60 is: 300,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,938.60 : 655,482.60 = 200,301.60 : x
  2. Step 2: Convert to fraction form
    436,938.60/655,482.60 = 200,301.60/x
  3. Step 3: Cross multiply
    436,938.60x = 655,482.60 × 200,301.60
  4. Step 4: Simplify right side
    436,938.60x = 131,294,213,552.16
  5. Step 5: Solve for x
    x = 131,294,213,552.16/436,938.60
  6. Step 6: Final answer
    x = 300,486.64

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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.