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Finding the Fourth Proportional to 384,903.08, 577,286.57 and 104,442.20

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Solution

The fourth proportional to 384,903.08, 577,286.57 and 104,442.20 is: 156,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,903.08 : 577,286.57 = 104,442.20 : x
  2. Step 2: Convert to fraction form
    384,903.08/577,286.57 = 104,442.20/x
  3. Step 3: Cross multiply
    384,903.08x = 577,286.57 × 104,442.20
  4. Step 4: Simplify right side
    384,903.08x = 60,293,076,514.82
  5. Step 5: Solve for x
    x = 60,293,076,514.82/384,903.08
  6. Step 6: Final answer
    x = 156,644.83

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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.