Home / 290,960.42-401,465.18-170,078.32

Finding the Fourth Proportional to 290,960.42, 401,465.18 and 170,078.32

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Solution

The fourth proportional to 290,960.42, 401,465.18 and 170,078.32 is: 234,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,960.42 : 401,465.18 = 170,078.32 : x
  2. Step 2: Convert to fraction form
    290,960.42/401,465.18 = 170,078.32/x
  3. Step 3: Cross multiply
    290,960.42x = 401,465.18 × 170,078.32
  4. Step 4: Simplify right side
    290,960.42x = 68,280,521,345.57
  5. Step 5: Solve for x
    x = 68,280,521,345.57/290,960.42
  6. Step 6: Final answer
    x = 234,672.89

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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.