Home / 482,072.30-723,104.67-145,111.49

Finding the Fourth Proportional to 482,072.30, 723,104.67 and 145,111.49

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Solution

The fourth proportional to 482,072.30, 723,104.67 and 145,111.49 is: 217,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,072.30 : 723,104.67 = 145,111.49 : x
  2. Step 2: Convert to fraction form
    482,072.30/723,104.67 = 145,111.49/x
  3. Step 3: Cross multiply
    482,072.30x = 723,104.67 × 145,111.49
  4. Step 4: Simplify right side
    482,072.30x = 104,930,796,089.66
  5. Step 5: Solve for x
    x = 104,930,796,089.66/482,072.30
  6. Step 6: Final answer
    x = 217,666.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.