Finding the Fourth Proportional to 371,824.68, 513,115.71 and 202,058.82
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Solution
The fourth proportional to 371,824.68, 513,115.71 and 202,058.82 is: 278,839.90
Step by Step Solution
- Step 1: Write the proportion equation
371,824.68 : 513,115.71 = 202,058.82 : x - Step 2: Convert to fraction form
371,824.68/513,115.71 = 202,058.82/x - Step 3: Cross multiply
371,824.68x = 513,115.71 × 202,058.82 - Step 4: Simplify right side
371,824.68x = 103,679,554,886.06 - Step 5: Solve for x
x = 103,679,554,886.06/371,824.68 - Step 6: Final answer
x = 278,839.90
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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.