Home / 313,928.12-470,881.59-136,435.14

Finding the Fourth Proportional to 313,928.12, 470,881.59 and 136,435.14

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Solution

The fourth proportional to 313,928.12, 470,881.59 and 136,435.14 is: 204,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,928.12 : 470,881.59 = 136,435.14 : x
  2. Step 2: Convert to fraction form
    313,928.12/470,881.59 = 136,435.14/x
  3. Step 3: Cross multiply
    313,928.12x = 470,881.59 × 136,435.14
  4. Step 4: Simplify right side
    313,928.12x = 64,244,795,655.07
  5. Step 5: Solve for x
    x = 64,244,795,655.07/313,928.12
  6. Step 6: Final answer
    x = 204,648.11

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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.