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Finding the Fourth Proportional to 342,925.28, 473,223.84 and 192,014.72

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Solution

The fourth proportional to 342,925.28, 473,223.84 and 192,014.72 is: 264,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,925.28 : 473,223.84 = 192,014.72 : x
  2. Step 2: Convert to fraction form
    342,925.28/473,223.84 = 192,014.72/x
  3. Step 3: Cross multiply
    342,925.28x = 473,223.84 × 192,014.72
  4. Step 4: Simplify right side
    342,925.28x = 90,865,943,134.92
  5. Step 5: Solve for x
    x = 90,865,943,134.92/342,925.28
  6. Step 6: Final answer
    x = 264,973.01

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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.