Home / 342,069.77-472,015.40-189,087.36

Finding the Fourth Proportional to 342,069.77, 472,015.40 and 189,087.36

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Solution

The fourth proportional to 342,069.77, 472,015.40 and 189,087.36 is: 260,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,069.77 : 472,015.40 = 189,087.36 : x
  2. Step 2: Convert to fraction form
    342,069.77/472,015.40 = 189,087.36/x
  3. Step 3: Cross multiply
    342,069.77x = 472,015.40 × 189,087.36
  4. Step 4: Simplify right side
    342,069.77x = 89,252,144,919.91
  5. Step 5: Solve for x
    x = 89,252,144,919.91/342,069.77
  6. Step 6: Final answer
    x = 260,917.96

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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.