Home / 375,412.03-518,069.23-203,330.36

Finding the Fourth Proportional to 375,412.03, 518,069.23 and 203,330.36

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Solution

The fourth proportional to 375,412.03, 518,069.23 and 203,330.36 is: 280,596.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,412.03 : 518,069.23 = 203,330.36 : x
  2. Step 2: Convert to fraction form
    375,412.03/518,069.23 = 203,330.36/x
  3. Step 3: Cross multiply
    375,412.03x = 518,069.23 × 203,330.36
  4. Step 4: Simplify right side
    375,412.03x = 105,339,203,827.67
  5. Step 5: Solve for x
    x = 105,339,203,827.67/375,412.03
  6. Step 6: Final answer
    x = 280,596.24

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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.