Finding the Fourth Proportional to 266,549.49, 399,479.77 and 199,463.26
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Solution
The fourth proportional to 266,549.49, 399,479.77 and 199,463.26 is: 298,937.12
Step by Step Solution
- Step 1: Write the proportion equation
266,549.49 : 399,479.77 = 199,463.26 : x - Step 2: Convert to fraction form
266,549.49/399,479.77 = 199,463.26/x - Step 3: Cross multiply
266,549.49x = 399,479.77 × 199,463.26 - Step 4: Simplify right side
266,549.49x = 79,681,537,228.25 - Step 5: Solve for x
x = 79,681,537,228.25/266,549.49 - Step 6: Final answer
x = 298,937.12
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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.