Home / 381,152.29-571,667.10-111,217.05

Finding the Fourth Proportional to 381,152.29, 571,667.10 and 111,217.05

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Solution

The fourth proportional to 381,152.29, 571,667.10 and 111,217.05 is: 166,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,152.29 : 571,667.10 = 111,217.05 : x
  2. Step 2: Convert to fraction form
    381,152.29/571,667.10 = 111,217.05/x
  3. Step 3: Cross multiply
    381,152.29x = 571,667.10 × 111,217.05
  4. Step 4: Simplify right side
    381,152.29x = 63,579,130,275.01
  5. Step 5: Solve for x
    x = 63,579,130,275.01/381,152.29
  6. Step 6: Final answer
    x = 166,807.68

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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.