Home / 297,923.60-446,957.40-87,561.20

Finding the Fourth Proportional to 297,923.60, 446,957.40 and 87,561.20

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Solution

The fourth proportional to 297,923.60, 446,957.40 and 87,561.20 is: 131,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,923.60 : 446,957.40 = 87,561.20 : x
  2. Step 2: Convert to fraction form
    297,923.60/446,957.40 = 87,561.20/x
  3. Step 3: Cross multiply
    297,923.60x = 446,957.40 × 87,561.20
  4. Step 4: Simplify right side
    297,923.60x = 39,136,126,292.88
  5. Step 5: Solve for x
    x = 39,136,126,292.88/297,923.60
  6. Step 6: Final answer
    x = 131,362.96

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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.