Home / 850,184.31-1,275,444.60-242,978.07

Finding the Fourth Proportional to 850,184.31, 1,275,444.60 and 242,978.07

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Solution

The fourth proportional to 850,184.31, 1,275,444.60 and 242,978.07 is: 364,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,184.31 : 1,275,444.60 = 242,978.07 : x
  2. Step 2: Convert to fraction form
    850,184.31/1,275,444.60 = 242,978.07/x
  3. Step 3: Cross multiply
    850,184.31x = 1,275,444.60 × 242,978.07
  4. Step 4: Simplify right side
    850,184.31x = 309,905,067,299.92
  5. Step 5: Solve for x
    x = 309,905,067,299.92/850,184.31
  6. Step 6: Final answer
    x = 364,515.16

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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.