Finding the Fourth Proportional to 381,854.99, 526,901.37 and 220,678.94
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Solution
The fourth proportional to 381,854.99, 526,901.37 and 220,678.94 is: 304,503.12
Step by Step Solution
- Step 1: Write the proportion equation
381,854.99 : 526,901.37 = 220,678.94 : x - Step 2: Convert to fraction form
381,854.99/526,901.37 = 220,678.94/x - Step 3: Cross multiply
381,854.99x = 526,901.37 × 220,678.94 - Step 4: Simplify right side
381,854.99x = 116,276,035,816.15 - Step 5: Solve for x
x = 116,276,035,816.15/381,854.99 - Step 6: Final answer
x = 304,503.12
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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.