Home / 313,824.30-470,736.45-103,434.90

Finding the Fourth Proportional to 313,824.30, 470,736.45 and 103,434.90

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Solution

The fourth proportional to 313,824.30, 470,736.45 and 103,434.90 is: 155,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,824.30 : 470,736.45 = 103,434.90 : x
  2. Step 2: Convert to fraction form
    313,824.30/470,736.45 = 103,434.90/x
  3. Step 3: Cross multiply
    313,824.30x = 470,736.45 × 103,434.90
  4. Step 4: Simplify right side
    313,824.30x = 48,690,577,632.11
  5. Step 5: Solve for x
    x = 48,690,577,632.11/313,824.30
  6. Step 6: Final answer
    x = 155,152.35

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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.