Home / 850,168.02-1,275,420.18-242,961.78

Finding the Fourth Proportional to 850,168.02, 1,275,420.18 and 242,961.78

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Solution

The fourth proportional to 850,168.02, 1,275,420.18 and 242,961.78 is: 364,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,168.02 : 1,275,420.18 = 242,961.78 : x
  2. Step 2: Convert to fraction form
    850,168.02/1,275,420.18 = 242,961.78/x
  3. Step 3: Cross multiply
    850,168.02x = 1,275,420.18 × 242,961.78
  4. Step 4: Simplify right side
    850,168.02x = 309,878,357,180.72
  5. Step 5: Solve for x
    x = 309,878,357,180.72/850,168.02
  6. Step 6: Final answer
    x = 364,490.72

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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.