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Finding the Fourth Proportional to 384,094.16, 529,902.12 and 240,604.40

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Solution

The fourth proportional to 384,094.16, 529,902.12 and 240,604.40 is: 331,941.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,094.16 : 529,902.12 = 240,604.40 : x
  2. Step 2: Convert to fraction form
    384,094.16/529,902.12 = 240,604.40/x
  3. Step 3: Cross multiply
    384,094.16x = 529,902.12 × 240,604.40
  4. Step 4: Simplify right side
    384,094.16x = 127,496,781,641.33
  5. Step 5: Solve for x
    x = 127,496,781,641.33/384,094.16
  6. Step 6: Final answer
    x = 331,941.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.