Home / 385,039.84-531,141.66-223,877.06

Finding the Fourth Proportional to 385,039.84, 531,141.66 and 223,877.06

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Solution

The fourth proportional to 385,039.84, 531,141.66 and 223,877.06 is: 308,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,039.84 : 531,141.66 = 223,877.06 : x
  2. Step 2: Convert to fraction form
    385,039.84/531,141.66 = 223,877.06/x
  3. Step 3: Cross multiply
    385,039.84x = 531,141.66 × 223,877.06
  4. Step 4: Simplify right side
    385,039.84x = 118,910,433,284.32
  5. Step 5: Solve for x
    x = 118,910,433,284.32/385,039.84
  6. Step 6: Final answer
    x = 308,826.31

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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.