Home / 422,666.20-634,038.48-152,861.80

Finding the Fourth Proportional to 422,666.20, 634,038.48 and 152,861.80

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Solution

The fourth proportional to 422,666.20, 634,038.48 and 152,861.80 is: 229,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,666.20 : 634,038.48 = 152,861.80 : x
  2. Step 2: Convert to fraction form
    422,666.20/634,038.48 = 152,861.80/x
  3. Step 3: Cross multiply
    422,666.20x = 634,038.48 × 152,861.80
  4. Step 4: Simplify right side
    422,666.20x = 96,920,263,322.06
  5. Step 5: Solve for x
    x = 96,920,263,322.06/422,666.20
  6. Step 6: Final answer
    x = 229,306.87

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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.