Finding the Fourth Proportional to 272,658.02, 376,170.68 and 157,874.01
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Solution
The fourth proportional to 272,658.02, 376,170.68 and 157,874.01 is: 217,809.75
Step by Step Solution
- Step 1: Write the proportion equation
272,658.02 : 376,170.68 = 157,874.01 : x - Step 2: Convert to fraction form
272,658.02/376,170.68 = 157,874.01/x - Step 3: Cross multiply
272,658.02x = 376,170.68 × 157,874.01 - Step 4: Simplify right side
272,658.02x = 59,387,574,796.03 - Step 5: Solve for x
x = 59,387,574,796.03/272,658.02 - Step 6: Final answer
x = 217,809.75
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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.