Finding the Fourth Proportional to 272,933.84, 376,729.80 and 172,398.80
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Solution
The fourth proportional to 272,933.84, 376,729.80 and 172,398.80 is: 237,961.57
Step by Step Solution
- Step 1: Write the proportion equation
272,933.84 : 376,729.80 = 172,398.80 : x - Step 2: Convert to fraction form
272,933.84/376,729.80 = 172,398.80/x - Step 3: Cross multiply
272,933.84x = 376,729.80 × 172,398.80 - Step 4: Simplify right side
272,933.84x = 64,947,765,444.24 - Step 5: Solve for x
x = 64,947,765,444.24/272,933.84 - Step 6: Final answer
x = 237,961.57
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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.