Home / 297,288.24-446,000.51-128,836.85

Finding the Fourth Proportional to 297,288.24, 446,000.51 and 128,836.85

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Solution

The fourth proportional to 297,288.24, 446,000.51 and 128,836.85 is: 193,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,288.24 : 446,000.51 = 128,836.85 : x
  2. Step 2: Convert to fraction form
    297,288.24/446,000.51 = 128,836.85/x
  3. Step 3: Cross multiply
    297,288.24x = 446,000.51 × 128,836.85
  4. Step 4: Simplify right side
    297,288.24x = 57,461,300,806.79
  5. Step 5: Solve for x
    x = 57,461,300,806.79/297,288.24
  6. Step 6: Final answer
    x = 193,284.81

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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.