Home / 297,387.45-446,081.99-209,036.16

Finding the Fourth Proportional to 297,387.45, 446,081.99 and 209,036.16

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Solution

The fourth proportional to 297,387.45, 446,081.99 and 209,036.16 is: 313,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,387.45 : 446,081.99 = 209,036.16 : x
  2. Step 2: Convert to fraction form
    297,387.45/446,081.99 = 209,036.16/x
  3. Step 3: Cross multiply
    297,387.45x = 446,081.99 × 209,036.16
  4. Step 4: Simplify right side
    297,387.45x = 93,247,265,189.58
  5. Step 5: Solve for x
    x = 93,247,265,189.58/297,387.45
  6. Step 6: Final answer
    x = 313,554.81

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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.