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Finding the Fourth Proportional to 401,771.93, 554,404.86 and 240,622.83

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Solution

The fourth proportional to 401,771.93, 554,404.86 and 240,622.83 is: 332,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,771.93 : 554,404.86 = 240,622.83 : x
  2. Step 2: Convert to fraction form
    401,771.93/554,404.86 = 240,622.83/x
  3. Step 3: Cross multiply
    401,771.93x = 554,404.86 × 240,622.83
  4. Step 4: Simplify right side
    401,771.93x = 133,402,466,378.95
  5. Step 5: Solve for x
    x = 133,402,466,378.95/401,771.93
  6. Step 6: Final answer
    x = 332,035.31

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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.