Finding the Fourth Proportional to 749,966.42, 1,125,167.49 and 270,185.09
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Solution
The fourth proportional to 749,966.42, 1,125,167.49 and 270,185.09 is: 405,356.12
Step by Step Solution
- Step 1: Write the proportion equation
749,966.42 : 1,125,167.49 = 270,185.09 : x - Step 2: Convert to fraction form
749,966.42/1,125,167.49 = 270,185.09/x - Step 3: Cross multiply
749,966.42x = 1,125,167.49 × 270,185.09 - Step 4: Simplify right side
749,966.42x = 304,003,473,924.89 - Step 5: Solve for x
x = 304,003,473,924.89/749,966.42 - Step 6: Final answer
x = 405,356.12
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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.