Finding the Fourth Proportional to 548,332.11, 756,694.04 and 306,615.15
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Solution
The fourth proportional to 548,332.11, 756,694.04 and 306,615.15 is: 423,126.52
Step by Step Solution
- Step 1: Write the proportion equation
548,332.11 : 756,694.04 = 306,615.15 : x - Step 2: Convert to fraction form
548,332.11/756,694.04 = 306,615.15/x - Step 3: Cross multiply
548,332.11x = 756,694.04 × 306,615.15 - Step 4: Simplify right side
548,332.11x = 232,013,855,045.63 - Step 5: Solve for x
x = 232,013,855,045.63/548,332.11 - Step 6: Final answer
x = 423,126.52
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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.