Finding the Fourth Proportional to 649,639.95, 974,459.45 and 176,394.75
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Solution
The fourth proportional to 649,639.95, 974,459.45 and 176,394.75 is: 264,591.99
Step by Step Solution
- Step 1: Write the proportion equation
649,639.95 : 974,459.45 = 176,394.75 : x - Step 2: Convert to fraction form
649,639.95/974,459.45 = 176,394.75/x - Step 3: Cross multiply
649,639.95x = 974,459.45 × 176,394.75 - Step 4: Simplify right side
649,639.95x = 171,889,530,185.91 - Step 5: Solve for x
x = 171,889,530,185.91/649,639.95 - Step 6: Final answer
x = 264,591.99
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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.