Home / 297,298.64-446,016.05-128,847.22

Finding the Fourth Proportional to 297,298.64, 446,016.05 and 128,847.22

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Solution

The fourth proportional to 297,298.64, 446,016.05 and 128,847.22 is: 193,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,298.64 : 446,016.05 = 128,847.22 : x
  2. Step 2: Convert to fraction form
    297,298.64/446,016.05 = 128,847.22/x
  3. Step 3: Cross multiply
    297,298.64x = 446,016.05 × 128,847.22
  4. Step 4: Simplify right side
    297,298.64x = 57,467,928,117.88
  5. Step 5: Solve for x
    x = 57,467,928,117.88/297,298.64
  6. Step 6: Final answer
    x = 193,300.34

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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.