Finding the Fourth Proportional to 386,181.23, 578,517.71 and 183,488.87
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Solution
The fourth proportional to 386,181.23, 578,517.71 and 183,488.87 is: 274,874.99
Step by Step Solution
- Step 1: Write the proportion equation
386,181.23 : 578,517.71 = 183,488.87 : x - Step 2: Convert to fraction form
386,181.23/578,517.71 = 183,488.87/x - Step 3: Cross multiply
386,181.23x = 578,517.71 × 183,488.87 - Step 4: Simplify right side
386,181.23x = 106,151,563,034.29 - Step 5: Solve for x
x = 106,151,563,034.29/386,181.23 - Step 6: Final answer
x = 274,874.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.