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Finding the Fourth Proportional to 297,299.64, 446,017.55 and 128,848.22

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Solution

The fourth proportional to 297,299.64, 446,017.55 and 128,848.22 is: 193,301.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,299.64 : 446,017.55 = 128,848.22 : x
  2. Step 2: Convert to fraction form
    297,299.64/446,017.55 = 128,848.22/x
  3. Step 3: Cross multiply
    297,299.64x = 446,017.55 × 128,848.22
  4. Step 4: Simplify right side
    297,299.64x = 57,468,567,406.26
  5. Step 5: Solve for x
    x = 57,468,567,406.26/297,299.64
  6. Step 6: Final answer
    x = 193,301.84

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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.