Home / 405,045.26-558,960.66-223,757.28

Finding the Fourth Proportional to 405,045.26, 558,960.66 and 223,757.28

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Solution

The fourth proportional to 405,045.26, 558,960.66 and 223,757.28 is: 308,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,045.26 : 558,960.66 = 223,757.28 : x
  2. Step 2: Convert to fraction form
    405,045.26/558,960.66 = 223,757.28/x
  3. Step 3: Cross multiply
    405,045.26x = 558,960.66 × 223,757.28
  4. Step 4: Simplify right side
    405,045.26x = 125,071,516,908.61
  5. Step 5: Solve for x
    x = 125,071,516,908.61/405,045.26
  6. Step 6: Final answer
    x = 308,784.05

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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.