Home / 313,848.08-470,979.48-147,649.04

Finding the Fourth Proportional to 313,848.08, 470,979.48 and 147,649.04

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Solution

The fourth proportional to 313,848.08, 470,979.48 and 147,649.04 is: 221,571.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,848.08 : 470,979.48 = 147,649.04 : x
  2. Step 2: Convert to fraction form
    313,848.08/470,979.48 = 147,649.04/x
  3. Step 3: Cross multiply
    313,848.08x = 470,979.48 × 147,649.04
  4. Step 4: Simplify right side
    313,848.08x = 69,539,668,081.70
  5. Step 5: Solve for x
    x = 69,539,668,081.70/313,848.08
  6. Step 6: Final answer
    x = 221,571.11

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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.