Home / 850,181.81-1,275,440.85-242,975.57

Finding the Fourth Proportional to 850,181.81, 1,275,440.85 and 242,975.57

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Solution

The fourth proportional to 850,181.81, 1,275,440.85 and 242,975.57 is: 364,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,181.81 : 1,275,440.85 = 242,975.57 : x
  2. Step 2: Convert to fraction form
    850,181.81/1,275,440.85 = 242,975.57/x
  3. Step 3: Cross multiply
    850,181.81x = 1,275,440.85 × 242,975.57
  4. Step 4: Simplify right side
    850,181.81x = 309,900,961,152.83
  5. Step 5: Solve for x
    x = 309,900,961,152.83/850,181.81
  6. Step 6: Final answer
    x = 364,511.40

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1.5x scale

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.