Home / 385,026.36-531,309.38-223,869.98

Finding the Fourth Proportional to 385,026.36, 531,309.38 and 223,869.98

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Solution

The fourth proportional to 385,026.36, 531,309.38 and 223,869.98 is: 308,924.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,026.36 : 531,309.38 = 223,869.98 : x
  2. Step 2: Convert to fraction form
    385,026.36/531,309.38 = 223,869.98/x
  3. Step 3: Cross multiply
    385,026.36x = 531,309.38 × 223,869.98
  4. Step 4: Simplify right side
    385,026.36x = 118,944,220,274.41
  5. Step 5: Solve for x
    x = 118,944,220,274.41/385,026.36
  6. Step 6: Final answer
    x = 308,924.88

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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.