Home / 297,317.07-446,043.69-128,865.60

Finding the Fourth Proportional to 297,317.07, 446,043.69 and 128,865.60

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Solution

The fourth proportional to 297,317.07, 446,043.69 and 128,865.60 is: 193,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,317.07 : 446,043.69 = 128,865.60 : x
  2. Step 2: Convert to fraction form
    297,317.07/446,043.69 = 128,865.60/x
  3. Step 3: Cross multiply
    297,317.07x = 446,043.69 × 128,865.60
  4. Step 4: Simplify right side
    297,317.07x = 57,479,687,738.06
  5. Step 5: Solve for x
    x = 57,479,687,738.06/297,317.07
  6. Step 6: Final answer
    x = 193,327.91

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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.