Finding the Fourth Proportional to 557,646.96, 769,557.49 and 302,998.15
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Solution
The fourth proportional to 557,646.96, 769,557.49 and 302,998.15 is: 418,139.99
Step by Step Solution
- Step 1: Write the proportion equation
557,646.96 : 769,557.49 = 302,998.15 : x - Step 2: Convert to fraction form
557,646.96/769,557.49 = 302,998.15/x - Step 3: Cross multiply
557,646.96x = 769,557.49 × 302,998.15 - Step 4: Simplify right side
557,646.96x = 233,174,491,940.86 - Step 5: Solve for x
x = 233,174,491,940.86/557,646.96 - Step 6: Final answer
x = 418,139.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.