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Finding the Fourth Proportional to 468,937.56, 647,094.42 and 265,006.20

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Solution

The fourth proportional to 468,937.56, 647,094.42 and 265,006.20 is: 365,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,937.56 : 647,094.42 = 265,006.20 : x
  2. Step 2: Convert to fraction form
    468,937.56/647,094.42 = 265,006.20/x
  3. Step 3: Cross multiply
    468,937.56x = 647,094.42 × 265,006.20
  4. Step 4: Simplify right side
    468,937.56x = 171,484,033,285.40
  5. Step 5: Solve for x
    x = 171,484,033,285.40/468,937.56
  6. Step 6: Final answer
    x = 365,686.28

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1.5x scale

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.