Home / 376,699.12-519,981.25-249,415.72

Finding the Fourth Proportional to 376,699.12, 519,981.25 and 249,415.72

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Solution

The fourth proportional to 376,699.12, 519,981.25 and 249,415.72 is: 344,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,699.12 : 519,981.25 = 249,415.72 : x
  2. Step 2: Convert to fraction form
    376,699.12/519,981.25 = 249,415.72/x
  3. Step 3: Cross multiply
    376,699.12x = 519,981.25 × 249,415.72
  4. Step 4: Simplify right side
    376,699.12x = 129,691,497,855.25
  5. Step 5: Solve for x
    x = 129,691,497,855.25/376,699.12
  6. Step 6: Final answer
    x = 344,284.05

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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.