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Finding the Fourth Proportional to 436,290.70, 601,879.08 and 255,010.27

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Solution

The fourth proportional to 436,290.70, 601,879.08 and 255,010.27 is: 351,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,290.70 : 601,879.08 = 255,010.27 : x
  2. Step 2: Convert to fraction form
    436,290.70/601,879.08 = 255,010.27/x
  3. Step 3: Cross multiply
    436,290.70x = 601,879.08 × 255,010.27
  4. Step 4: Simplify right side
    436,290.70x = 153,485,345,193.45
  5. Step 5: Solve for x
    x = 153,485,345,193.45/436,290.70
  6. Step 6: Final answer
    x = 351,796.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.