Home / 221,472.29-331,709.87-155,208.24

Finding the Fourth Proportional to 221,472.29, 331,709.87 and 155,208.24

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Solution

The fourth proportional to 221,472.29, 331,709.87 and 155,208.24 is: 232,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,472.29 : 331,709.87 = 155,208.24 : x
  2. Step 2: Convert to fraction form
    221,472.29/331,709.87 = 155,208.24/x
  3. Step 3: Cross multiply
    221,472.29x = 331,709.87 × 155,208.24
  4. Step 4: Simplify right side
    221,472.29x = 51,484,104,337.29
  5. Step 5: Solve for x
    x = 51,484,104,337.29/221,472.29
  6. Step 6: Final answer
    x = 232,462.97

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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.