Finding the Fourth Proportional to 476,294.74, 657,832.25 and 313,678.18
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Solution
The fourth proportional to 476,294.74, 657,832.25 and 313,678.18 is: 433,235.15
Step by Step Solution
- Step 1: Write the proportion equation
476,294.74 : 657,832.25 = 313,678.18 : x - Step 2: Convert to fraction form
476,294.74/657,832.25 = 313,678.18/x - Step 3: Cross multiply
476,294.74x = 657,832.25 × 313,678.18 - Step 4: Simplify right side
476,294.74x = 206,347,622,925.31 - Step 5: Solve for x
x = 206,347,622,925.31/476,294.74 - Step 6: Final answer
x = 433,235.15
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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.