Home / 405,027.08-558,521.78-269,011.72

Finding the Fourth Proportional to 405,027.08, 558,521.78 and 269,011.72

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Solution

The fourth proportional to 405,027.08, 558,521.78 and 269,011.72 is: 370,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,027.08 : 558,521.78 = 269,011.72 : x
  2. Step 2: Convert to fraction form
    405,027.08/558,521.78 = 269,011.72/x
  3. Step 3: Cross multiply
    405,027.08x = 558,521.78 × 269,011.72
  4. Step 4: Simplify right side
    405,027.08x = 150,248,904,695.26
  5. Step 5: Solve for x
    x = 150,248,904,695.26/405,027.08
  6. Step 6: Final answer
    x = 370,960.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.