Home / 313,664.03-470,231.54-136,037.25

Finding the Fourth Proportional to 313,664.03, 470,231.54 and 136,037.25

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Solution

The fourth proportional to 313,664.03, 470,231.54 and 136,037.25 is: 203,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,664.03 : 470,231.54 = 136,037.25 : x
  2. Step 2: Convert to fraction form
    313,664.03/470,231.54 = 136,037.25/x
  3. Step 3: Cross multiply
    313,664.03x = 470,231.54 × 136,037.25
  4. Step 4: Simplify right side
    313,664.03x = 63,969,005,564.87
  5. Step 5: Solve for x
    x = 63,969,005,564.87/313,664.03
  6. Step 6: Final answer
    x = 203,941.16

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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.