Finding the Fourth Proportional to 272,666.09, 376,181.79 and 157,882.07
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Solution
The fourth proportional to 272,666.09, 376,181.79 and 157,882.07 is: 217,820.85
Step by Step Solution
- Step 1: Write the proportion equation
272,666.09 : 376,181.79 = 157,882.07 : x - Step 2: Convert to fraction form
272,666.09/376,181.79 = 157,882.07/x - Step 3: Cross multiply
272,666.09x = 376,181.79 × 157,882.07 - Step 4: Simplify right side
272,666.09x = 59,392,357,820.60 - Step 5: Solve for x
x = 59,392,357,820.60/272,666.09 - Step 6: Final answer
x = 217,820.85
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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.