Home / 345,312.45-476,468.01-192,346.74

Finding the Fourth Proportional to 345,312.45, 476,468.01 and 192,346.74

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Solution

The fourth proportional to 345,312.45, 476,468.01 and 192,346.74 is: 265,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,312.45 : 476,468.01 = 192,346.74 : x
  2. Step 2: Convert to fraction form
    345,312.45/476,468.01 = 192,346.74/x
  3. Step 3: Cross multiply
    345,312.45x = 476,468.01 × 192,346.74
  4. Step 4: Simplify right side
    345,312.45x = 91,647,068,437.79
  5. Step 5: Solve for x
    x = 91,647,068,437.79/345,312.45
  6. Step 6: Final answer
    x = 265,403.31

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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.