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Finding the Fourth Proportional to 418,550.52, 577,683.50 and 248,751.80

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Solution

The fourth proportional to 418,550.52, 577,683.50 and 248,751.80 is: 343,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,550.52 : 577,683.50 = 248,751.80 : x
  2. Step 2: Convert to fraction form
    418,550.52/577,683.50 = 248,751.80/x
  3. Step 3: Cross multiply
    418,550.52x = 577,683.50 × 248,751.80
  4. Step 4: Simplify right side
    418,550.52x = 143,699,810,455.30
  5. Step 5: Solve for x
    x = 143,699,810,455.30/418,550.52
  6. Step 6: Final answer
    x = 343,327.28

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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.