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Finding the Fourth Proportional to 381,491.29, 572,258.81 and 101,001.25

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Solution

The fourth proportional to 381,491.29, 572,258.81 and 101,001.25 is: 151,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,491.29 : 572,258.81 = 101,001.25 : x
  2. Step 2: Convert to fraction form
    381,491.29/572,258.81 = 101,001.25/x
  3. Step 3: Cross multiply
    381,491.29x = 572,258.81 × 101,001.25
  4. Step 4: Simplify right side
    381,491.29x = 57,798,855,133.51
  5. Step 5: Solve for x
    x = 57,798,855,133.51/381,491.29
  6. Step 6: Final answer
    x = 151,507.67

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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.