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Finding the Fourth Proportional to 630,184.80, 945,392.40 and 256,245.60

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Solution

The fourth proportional to 630,184.80, 945,392.40 and 256,245.60 is: 384,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,184.80 : 945,392.40 = 256,245.60 : x
  2. Step 2: Convert to fraction form
    630,184.80/945,392.40 = 256,245.60/x
  3. Step 3: Cross multiply
    630,184.80x = 945,392.40 × 256,245.60
  4. Step 4: Simplify right side
    630,184.80x = 242,252,642,773.44
  5. Step 5: Solve for x
    x = 242,252,642,773.44/630,184.80
  6. Step 6: Final answer
    x = 384,415.24

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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.