Finding the Fourth Proportional to 272,936.28, 376,652.84 and 158,237.20
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Solution
The fourth proportional to 272,936.28, 376,652.84 and 158,237.20 is: 218,367.78
Step by Step Solution
- Step 1: Write the proportion equation
272,936.28 : 376,652.84 = 158,237.20 : x - Step 2: Convert to fraction form
272,936.28/376,652.84 = 158,237.20/x - Step 3: Cross multiply
272,936.28x = 376,652.84 × 158,237.20 - Step 4: Simplify right side
272,936.28x = 59,600,490,773.65 - Step 5: Solve for x
x = 59,600,490,773.65/272,936.28 - Step 6: Final answer
x = 218,367.78
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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.