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Finding the Fourth Proportional to 402,493.68, 555,418.68 and 241,268.04

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Solution

The fourth proportional to 402,493.68, 555,418.68 and 241,268.04 is: 332,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,493.68 : 555,418.68 = 241,268.04 : x
  2. Step 2: Convert to fraction form
    402,493.68/555,418.68 = 241,268.04/x
  3. Step 3: Cross multiply
    402,493.68x = 555,418.68 × 241,268.04
  4. Step 4: Simplify right side
    402,493.68x = 134,004,776,302.99
  5. Step 5: Solve for x
    x = 134,004,776,302.99/402,493.68
  6. Step 6: Final answer
    x = 332,936.35

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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.