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Finding the Fourth Proportional to 401,455.36, 602,183.28 and 101,958.40

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Solution

The fourth proportional to 401,455.36, 602,183.28 and 101,958.40 is: 152,937.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,455.36 : 602,183.28 = 101,958.40 : x
  2. Step 2: Convert to fraction form
    401,455.36/602,183.28 = 101,958.40/x
  3. Step 3: Cross multiply
    401,455.36x = 602,183.28 × 101,958.40
  4. Step 4: Simplify right side
    401,455.36x = 61,397,643,735.55
  5. Step 5: Solve for x
    x = 61,397,643,735.55/401,455.36
  6. Step 6: Final answer
    x = 152,937.66

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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.