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Finding the Fourth Proportional to 466,135.73, 643,263.72 and 264,931.73

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Solution

The fourth proportional to 466,135.73, 643,263.72 and 264,931.73 is: 365,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,135.73 : 643,263.72 = 264,931.73 : x
  2. Step 2: Convert to fraction form
    466,135.73/643,263.72 = 264,931.73/x
  3. Step 3: Cross multiply
    466,135.73x = 643,263.72 × 264,931.73
  4. Step 4: Simplify right side
    466,135.73x = 170,420,970,185.84
  5. Step 5: Solve for x
    x = 170,420,970,185.84/466,135.73
  6. Step 6: Final answer
    x = 365,603.75

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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.