Finding the Fourth Proportional to 318,625.38, 439,703.26 and 175,387.82
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Solution
The fourth proportional to 318,625.38, 439,703.26 and 175,387.82 is: 242,035.32
Step by Step Solution
- Step 1: Write the proportion equation
318,625.38 : 439,703.26 = 175,387.82 : x - Step 2: Convert to fraction form
318,625.38/439,703.26 = 175,387.82/x - Step 3: Cross multiply
318,625.38x = 439,703.26 × 175,387.82 - Step 4: Simplify right side
318,625.38x = 77,118,596,218.29 - Step 5: Solve for x
x = 77,118,596,218.29/318,625.38 - Step 6: Final answer
x = 242,035.32
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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.