Finding the Fourth Proportional to 386,277.68, 579,311.12 and 161,601.71
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Solution
The fourth proportional to 386,277.68, 579,311.12 and 161,601.71 is: 242,358.46
Step by Step Solution
- Step 1: Write the proportion equation
386,277.68 : 579,311.12 = 161,601.71 : x - Step 2: Convert to fraction form
386,277.68/579,311.12 = 161,601.71/x - Step 3: Cross multiply
386,277.68x = 579,311.12 × 161,601.71 - Step 4: Simplify right side
386,277.68x = 93,617,665,121.46 - Step 5: Solve for x
x = 93,617,665,121.46/386,277.68 - Step 6: Final answer
x = 242,358.46
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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.