Finding the Fourth Proportional to 465,436.62, 698,141.02 and 128,497.84
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Solution
The fourth proportional to 465,436.62, 698,141.02 and 128,497.84 is: 192,742.92
Step by Step Solution
- Step 1: Write the proportion equation
465,436.62 : 698,141.02 = 128,497.84 : x - Step 2: Convert to fraction form
465,436.62/698,141.02 = 128,497.84/x - Step 3: Cross multiply
465,436.62x = 698,141.02 × 128,497.84 - Step 4: Simplify right side
465,436.62x = 89,709,613,085.40 - Step 5: Solve for x
x = 89,709,613,085.40/465,436.62 - Step 6: Final answer
x = 192,742.92
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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.