Home / 345,212.94-517,837.86-108,574.07

Finding the Fourth Proportional to 345,212.94, 517,837.86 and 108,574.07

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Solution

The fourth proportional to 345,212.94, 517,837.86 and 108,574.07 is: 162,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,212.94 : 517,837.86 = 108,574.07 : x
  2. Step 2: Convert to fraction form
    345,212.94/517,837.86 = 108,574.07/x
  3. Step 3: Cross multiply
    345,212.94x = 517,837.86 × 108,574.07
  4. Step 4: Simplify right side
    345,212.94x = 56,223,764,060.29
  5. Step 5: Solve for x
    x = 56,223,764,060.29/345,212.94
  6. Step 6: Final answer
    x = 162,866.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.