Home / 313,828.80-470,743.20-181,118.40

Finding the Fourth Proportional to 313,828.80, 470,743.20 and 181,118.40

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Solution

The fourth proportional to 313,828.80, 470,743.20 and 181,118.40 is: 271,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,828.80 : 470,743.20 = 181,118.40 : x
  2. Step 2: Convert to fraction form
    313,828.80/470,743.20 = 181,118.40/x
  3. Step 3: Cross multiply
    313,828.80x = 470,743.20 × 181,118.40
  4. Step 4: Simplify right side
    313,828.80x = 85,260,255,194.88
  5. Step 5: Solve for x
    x = 85,260,255,194.88/313,828.80
  6. Step 6: Final answer
    x = 271,677.60

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1.5x scale

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.