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Finding the Fourth Proportional to 510,226.40, 765,450.30 and 155,231.22

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Solution

The fourth proportional to 510,226.40, 765,450.30 and 155,231.22 is: 232,880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,226.40 : 765,450.30 = 155,231.22 : x
  2. Step 2: Convert to fraction form
    510,226.40/765,450.30 = 155,231.22/x
  3. Step 3: Cross multiply
    510,226.40x = 765,450.30 × 155,231.22
  4. Step 4: Simplify right side
    510,226.40x = 118,821,783,918.37
  5. Step 5: Solve for x
    x = 118,821,783,918.37/510,226.40
  6. Step 6: Final answer
    x = 232,880.51

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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.