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Finding the Fourth Proportional to 401,260.07, 601,715.13 and 151,767.11

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Solution

The fourth proportional to 401,260.07, 601,715.13 and 151,767.11 is: 227,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,260.07 : 601,715.13 = 151,767.11 : x
  2. Step 2: Convert to fraction form
    401,260.07/601,715.13 = 151,767.11/x
  3. Step 3: Cross multiply
    401,260.07x = 601,715.13 × 151,767.11
  4. Step 4: Simplify right side
    401,260.07x = 91,320,563,881.42
  5. Step 5: Solve for x
    x = 91,320,563,881.42/401,260.07
  6. Step 6: Final answer
    x = 227,584.48

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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.