Home / 313,919.58-470,868.93-136,426.77

Finding the Fourth Proportional to 313,919.58, 470,868.93 and 136,426.77

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Solution

The fourth proportional to 313,919.58, 470,868.93 and 136,426.77 is: 204,635.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,919.58 : 470,868.93 = 136,426.77 : x
  2. Step 2: Convert to fraction form
    313,919.58/470,868.93 = 136,426.77/x
  3. Step 3: Cross multiply
    313,919.58x = 470,868.93 × 136,426.77
  4. Step 4: Simplify right side
    313,919.58x = 64,239,127,213.26
  5. Step 5: Solve for x
    x = 64,239,127,213.26/313,919.58
  6. Step 6: Final answer
    x = 204,635.62

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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.