Finding the Fourth Proportional to 371,711.69, 512,952.14 and 218,758.88
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Solution
The fourth proportional to 371,711.69, 512,952.14 and 218,758.88 is: 301,881.37
Step by Step Solution
- Step 1: Write the proportion equation
371,711.69 : 512,952.14 = 218,758.88 : x - Step 2: Convert to fraction form
371,711.69/512,952.14 = 218,758.88/x - Step 3: Cross multiply
371,711.69x = 512,952.14 × 218,758.88 - Step 4: Simplify right side
371,711.69x = 112,212,833,075.24 - Step 5: Solve for x
x = 112,212,833,075.24/371,711.69 - Step 6: Final answer
x = 301,881.37
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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.