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Finding the Fourth Proportional to 402,727.77, 555,641.24 and 264,867.39

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Solution

The fourth proportional to 402,727.77, 555,641.24 and 264,867.39 is: 365,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,727.77 : 555,641.24 = 264,867.39 : x
  2. Step 2: Convert to fraction form
    402,727.77/555,641.24 = 264,867.39/x
  3. Step 3: Cross multiply
    402,727.77x = 555,641.24 × 264,867.39
  4. Step 4: Simplify right side
    402,727.77x = 147,171,243,690.83
  5. Step 5: Solve for x
    x = 147,171,243,690.83/402,727.77
  6. Step 6: Final answer
    x = 365,436.05

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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.