Home / 405,044.26-558,959.28-223,756.27

Finding the Fourth Proportional to 405,044.26, 558,959.28 and 223,756.27

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Solution

The fourth proportional to 405,044.26, 558,959.28 and 223,756.27 is: 308,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,044.26 : 558,959.28 = 223,756.27 : x
  2. Step 2: Convert to fraction form
    405,044.26/558,959.28 = 223,756.27/x
  3. Step 3: Cross multiply
    405,044.26x = 558,959.28 × 223,756.27
  4. Step 4: Simplify right side
    405,044.26x = 125,070,643,574.69
  5. Step 5: Solve for x
    x = 125,070,643,574.69/405,044.26
  6. Step 6: Final answer
    x = 308,782.66

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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.