Home / 313,851.28-470,999.22-136,410.16

Finding the Fourth Proportional to 313,851.28, 470,999.22 and 136,410.16

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Solution

The fourth proportional to 313,851.28, 470,999.22 and 136,410.16 is: 204,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,851.28 : 470,999.22 = 136,410.16 : x
  2. Step 2: Convert to fraction form
    313,851.28/470,999.22 = 136,410.16/x
  3. Step 3: Cross multiply
    313,851.28x = 470,999.22 × 136,410.16
  4. Step 4: Simplify right side
    313,851.28x = 64,249,078,960.08
  5. Step 5: Solve for x
    x = 64,249,078,960.08/313,851.28
  6. Step 6: Final answer
    x = 204,711.86

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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.