Home / 313,932.36-470,888.10-136,439.58

Finding the Fourth Proportional to 313,932.36, 470,888.10 and 136,439.58

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Solution

The fourth proportional to 313,932.36, 470,888.10 and 136,439.58 is: 204,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,932.36 : 470,888.10 = 136,439.58 : x
  2. Step 2: Convert to fraction form
    313,932.36/470,888.10 = 136,439.58/x
  3. Step 3: Cross multiply
    313,932.36x = 470,888.10 × 136,439.58
  4. Step 4: Simplify right side
    313,932.36x = 64,247,774,591.00
  5. Step 5: Solve for x
    x = 64,247,774,591.00/313,932.36
  6. Step 6: Final answer
    x = 204,654.83

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1.5x scale

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.