Home / 245,669.68-368,379.10-112,435.71

Finding the Fourth Proportional to 245,669.68, 368,379.10 and 112,435.71

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Solution

The fourth proportional to 245,669.68, 368,379.10 and 112,435.71 is: 168,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,669.68 : 368,379.10 = 112,435.71 : x
  2. Step 2: Convert to fraction form
    245,669.68/368,379.10 = 112,435.71/x
  3. Step 3: Cross multiply
    245,669.68x = 368,379.10 × 112,435.71
  4. Step 4: Simplify right side
    245,669.68x = 41,418,965,657.66
  5. Step 5: Solve for x
    x = 41,418,965,657.66/245,669.68
  6. Step 6: Final answer
    x = 168,596.16

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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.