Home / 352,311.14-486,315.46-209,071.18

Finding the Fourth Proportional to 352,311.14, 486,315.46 and 209,071.18

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Solution

The fourth proportional to 352,311.14, 486,315.46 and 209,071.18 is: 288,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,311.14 : 486,315.46 = 209,071.18 : x
  2. Step 2: Convert to fraction form
    352,311.14/486,315.46 = 209,071.18/x
  3. Step 3: Cross multiply
    352,311.14x = 486,315.46 × 209,071.18
  4. Step 4: Simplify right side
    352,311.14x = 101,674,547,074.44
  5. Step 5: Solve for x
    x = 101,674,547,074.44/352,311.14
  6. Step 6: Final answer
    x = 288,593.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.