Finding the Fourth Proportional to 386,183.23, 578,520.71 and 183,490.87
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Solution
The fourth proportional to 386,183.23, 578,520.71 and 183,490.87 is: 274,877.99
Step by Step Solution
- Step 1: Write the proportion equation
386,183.23 : 578,520.71 = 183,490.87 : x - Step 2: Convert to fraction form
386,183.23/578,520.71 = 183,490.87/x - Step 3: Cross multiply
386,183.23x = 578,520.71 × 183,490.87 - Step 4: Simplify right side
386,183.23x = 106,153,268,390.92 - Step 5: Solve for x
x = 106,153,268,390.92/386,183.23 - Step 6: Final answer
x = 274,877.99
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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.