Home / 376,083.33-518,985.64-210,508.98

Finding the Fourth Proportional to 376,083.33, 518,985.64 and 210,508.98

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Solution

The fourth proportional to 376,083.33, 518,985.64 and 210,508.98 is: 290,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,083.33 : 518,985.64 = 210,508.98 : x
  2. Step 2: Convert to fraction form
    376,083.33/518,985.64 = 210,508.98/x
  3. Step 3: Cross multiply
    376,083.33x = 518,985.64 × 210,508.98
  4. Step 4: Simplify right side
    376,083.33x = 109,251,137,711.05
  5. Step 5: Solve for x
    x = 109,251,137,711.05/376,083.33
  6. Step 6: Final answer
    x = 290,497.16

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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.