Home / 297,300.64-446,019.05-128,849.22

Finding the Fourth Proportional to 297,300.64, 446,019.05 and 128,849.22

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Solution

The fourth proportional to 297,300.64, 446,019.05 and 128,849.22 is: 193,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,300.64 : 446,019.05 = 128,849.22 : x
  2. Step 2: Convert to fraction form
    297,300.64/446,019.05 = 128,849.22/x
  3. Step 3: Cross multiply
    297,300.64x = 446,019.05 × 128,849.22
  4. Step 4: Simplify right side
    297,300.64x = 57,469,206,697.64
  5. Step 5: Solve for x
    x = 57,469,206,697.64/297,300.64
  6. Step 6: Final answer
    x = 193,303.34

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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.