Home / 378,677.04-522,548.46-208,914

Finding the Fourth Proportional to 378,677.04, 522,548.46 and 208,914

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Solution

The fourth proportional to 378,677.04, 522,548.46 and 208,914 is: 288,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,677.04 : 522,548.46 = 208,914 : x
  2. Step 2: Convert to fraction form
    378,677.04/522,548.46 = 208,914/x
  3. Step 3: Cross multiply
    378,677.04x = 522,548.46 × 208,914
  4. Step 4: Simplify right side
    378,677.04x = 109,167,688,972.44
  5. Step 5: Solve for x
    x = 109,167,688,972.44/378,677.04
  6. Step 6: Final answer
    x = 288,287.06

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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.