Finding the Fourth Proportional to 286,316.92, 429,404.42 and 96,773.09
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Solution
The fourth proportional to 286,316.92, 429,404.42 and 96,773.09 is: 145,135.64
Step by Step Solution
- Step 1: Write the proportion equation
286,316.92 : 429,404.42 = 96,773.09 : x - Step 2: Convert to fraction form
286,316.92/429,404.42 = 96,773.09/x - Step 3: Cross multiply
286,316.92x = 429,404.42 × 96,773.09 - Step 4: Simplify right side
286,316.92x = 41,554,789,952.17 - Step 5: Solve for x
x = 41,554,789,952.17/286,316.92 - Step 6: Final answer
x = 145,135.64
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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.