Finding the Fourth Proportional to 547,326.98, 755,306.73 and 298,969.14
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Solution
The fourth proportional to 547,326.98, 755,306.73 and 298,969.14 is: 412,574.95
Step by Step Solution
- Step 1: Write the proportion equation
547,326.98 : 755,306.73 = 298,969.14 : x - Step 2: Convert to fraction form
547,326.98/755,306.73 = 298,969.14/x - Step 3: Cross multiply
547,326.98x = 755,306.73 × 298,969.14 - Step 4: Simplify right side
547,326.98x = 225,813,403,504.31 - Step 5: Solve for x
x = 225,813,403,504.31/547,326.98 - Step 6: Final answer
x = 412,574.95
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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.