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Finding the Fourth Proportional to 297,658.40, 446,525.46 and 97,998.66

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Solution

The fourth proportional to 297,658.40, 446,525.46 and 97,998.66 is: 147,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,658.40 : 446,525.46 = 97,998.66 : x
  2. Step 2: Convert to fraction form
    297,658.40/446,525.46 = 97,998.66/x
  3. Step 3: Cross multiply
    297,658.40x = 446,525.46 × 97,998.66
  4. Step 4: Simplify right side
    297,658.40x = 43,758,896,735.88
  5. Step 5: Solve for x
    x = 43,758,896,735.88/297,658.40
  6. Step 6: Final answer
    x = 147,010.46

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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.