Finding the Fourth Proportional to 386,182.23, 578,519.21 and 183,489.87
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Solution
The fourth proportional to 386,182.23, 578,519.21 and 183,489.87 is: 274,876.49
Step by Step Solution
- Step 1: Write the proportion equation
386,182.23 : 578,519.21 = 183,489.87 : x - Step 2: Convert to fraction form
386,182.23/578,519.21 = 183,489.87/x - Step 3: Cross multiply
386,182.23x = 578,519.21 × 183,489.87 - Step 4: Simplify right side
386,182.23x = 106,152,414,635.40 - Step 5: Solve for x
x = 106,152,414,635.40/386,182.23 - Step 6: Final answer
x = 274,876.49
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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.