Finding the Fourth Proportional to 476,290.67, 657,167.99 and 269,561.70
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Solution
The fourth proportional to 476,290.67, 657,167.99 and 269,561.70 is: 371,931.12
Step by Step Solution
- Step 1: Write the proportion equation
476,290.67 : 657,167.99 = 269,561.70 : x - Step 2: Convert to fraction form
476,290.67/657,167.99 = 269,561.70/x - Step 3: Cross multiply
476,290.67x = 657,167.99 × 269,561.70 - Step 4: Simplify right side
476,290.67x = 177,147,319,222.18 - Step 5: Solve for x
x = 177,147,319,222.18/476,290.67 - Step 6: Final answer
x = 371,931.12
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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.