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Finding the Fourth Proportional to 342,504.45, 472,655.47 and 191,601.45

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Solution

The fourth proportional to 342,504.45, 472,655.47 and 191,601.45 is: 264,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,504.45 : 472,655.47 = 191,601.45 : x
  2. Step 2: Convert to fraction form
    342,504.45/472,655.47 = 191,601.45/x
  3. Step 3: Cross multiply
    342,504.45x = 472,655.47 × 191,601.45
  4. Step 4: Simplify right side
    342,504.45x = 90,561,473,402.43
  5. Step 5: Solve for x
    x = 90,561,473,402.43/342,504.45
  6. Step 6: Final answer
    x = 264,409.63

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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.