Finding the Fourth Proportional to 649,348.19, 974,232.53 and 312,344.99
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Solution
The fourth proportional to 649,348.19, 974,232.53 and 312,344.99 is: 468,618.61
Step by Step Solution
- Step 1: Write the proportion equation
649,348.19 : 974,232.53 = 312,344.99 : x - Step 2: Convert to fraction form
649,348.19/974,232.53 = 312,344.99/x - Step 3: Cross multiply
649,348.19x = 974,232.53 × 312,344.99 - Step 4: Simplify right side
649,348.19x = 304,296,644,969.36 - Step 5: Solve for x
x = 304,296,644,969.36/649,348.19 - Step 6: Final answer
x = 468,618.61
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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.