Finding the Fourth Proportional to 675,639.99, 932,375.16 and 369,713.07
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Solution
The fourth proportional to 675,639.99, 932,375.16 and 369,713.07 is: 510,199.64
Step by Step Solution
- Step 1: Write the proportion equation
675,639.99 : 932,375.16 = 369,713.07 : x - Step 2: Convert to fraction form
675,639.99/932,375.16 = 369,713.07/x - Step 3: Cross multiply
675,639.99x = 932,375.16 × 369,713.07 - Step 4: Simplify right side
675,639.99x = 344,711,282,795.34 - Step 5: Solve for x
x = 344,711,282,795.34/675,639.99 - Step 6: Final answer
x = 510,199.64
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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.