Finding the Fourth Proportional to 417,961.18, 576,962.99 and 282,179.05
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Solution
The fourth proportional to 417,961.18, 576,962.99 and 282,179.05 is: 389,526.29
Step by Step Solution
- Step 1: Write the proportion equation
417,961.18 : 576,962.99 = 282,179.05 : x - Step 2: Convert to fraction form
417,961.18/576,962.99 = 282,179.05/x - Step 3: Cross multiply
417,961.18x = 576,962.99 × 282,179.05 - Step 4: Simplify right side
417,961.18x = 162,806,868,403.36 - Step 5: Solve for x
x = 162,806,868,403.36/417,961.18 - Step 6: Final answer
x = 389,526.29
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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.