Home / 375,690.50-518,506.04-232,496.68

Finding the Fourth Proportional to 375,690.50, 518,506.04 and 232,496.68

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Solution

The fourth proportional to 375,690.50, 518,506.04 and 232,496.68 is: 320,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,690.50 : 518,506.04 = 232,496.68 : x
  2. Step 2: Convert to fraction form
    375,690.50/518,506.04 = 232,496.68/x
  3. Step 3: Cross multiply
    375,690.50x = 518,506.04 × 232,496.68
  4. Step 4: Simplify right side
    375,690.50x = 120,550,932,859.95
  5. Step 5: Solve for x
    x = 120,550,932,859.95/375,690.50
  6. Step 6: Final answer
    x = 320,878.31

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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.