Finding the Fourth Proportional to 384,449.58, 576,690.08 and 131,903.73
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Solution
The fourth proportional to 384,449.58, 576,690.08 and 131,903.73 is: 197,860.99
Step by Step Solution
- Step 1: Write the proportion equation
384,449.58 : 576,690.08 = 131,903.73 : x - Step 2: Convert to fraction form
384,449.58/576,690.08 = 131,903.73/x - Step 3: Cross multiply
384,449.58x = 576,690.08 × 131,903.73 - Step 4: Simplify right side
384,449.58x = 76,067,572,606.00 - Step 5: Solve for x
x = 76,067,572,606.00/384,449.58 - Step 6: Final answer
x = 197,860.99
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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.