Finding the Fourth Proportional to 319,012.97, 440,257.55 and 175,772.97
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Solution
The fourth proportional to 319,012.97, 440,257.55 and 175,772.97 is: 242,577.53
Step by Step Solution
- Step 1: Write the proportion equation
319,012.97 : 440,257.55 = 175,772.97 : x - Step 2: Convert to fraction form
319,012.97/440,257.55 = 175,772.97/x - Step 3: Cross multiply
319,012.97x = 440,257.55 × 175,772.97 - Step 4: Simplify right side
319,012.97x = 77,385,376,249.56 - Step 5: Solve for x
x = 77,385,376,249.56/319,012.97 - Step 6: Final answer
x = 242,577.53
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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.