Home / 436,270.40-653,919.60-169,942.40

Finding the Fourth Proportional to 436,270.40, 653,919.60 and 169,942.40

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Solution

The fourth proportional to 436,270.40, 653,919.60 and 169,942.40 is: 254,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,270.40 : 653,919.60 = 169,942.40 : x
  2. Step 2: Convert to fraction form
    436,270.40/653,919.60 = 169,942.40/x
  3. Step 3: Cross multiply
    436,270.40x = 653,919.60 × 169,942.40
  4. Step 4: Simplify right side
    436,270.40x = 111,128,666,231.04
  5. Step 5: Solve for x
    x = 111,128,666,231.04/436,270.40
  6. Step 6: Final answer
    x = 254,724.29

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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.