Finding the Fourth Proportional to 336,472.05, 464,214.18 and 215,679.95
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Solution
The fourth proportional to 336,472.05, 464,214.18 and 215,679.95 is: 297,563.17
Step by Step Solution
- Step 1: Write the proportion equation
336,472.05 : 464,214.18 = 215,679.95 : x - Step 2: Convert to fraction form
336,472.05/464,214.18 = 215,679.95/x - Step 3: Cross multiply
336,472.05x = 464,214.18 × 215,679.95 - Step 4: Simplify right side
336,472.05x = 100,121,688,810.62 - Step 5: Solve for x
x = 100,121,688,810.62/336,472.05 - Step 6: Final answer
x = 297,563.17
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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.