Finding the Fourth Proportional to 272,816.92, 376,488.08 and 158,117.80
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Solution
The fourth proportional to 272,816.92, 376,488.08 and 158,117.80 is: 218,202.99
Step by Step Solution
- Step 1: Write the proportion equation
272,816.92 : 376,488.08 = 158,117.80 : x - Step 2: Convert to fraction form
272,816.92/376,488.08 = 158,117.80/x - Step 3: Cross multiply
272,816.92x = 376,488.08 × 158,117.80 - Step 4: Simplify right side
272,816.92x = 59,529,466,935.82 - Step 5: Solve for x
x = 59,529,466,935.82/272,816.92 - Step 6: Final answer
x = 218,202.99
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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.