Finding the Fourth Proportional to 548,332.49, 756,694.55 and 306,615.53
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Solution
The fourth proportional to 548,332.49, 756,694.55 and 306,615.53 is: 423,127.03
Step by Step Solution
- Step 1: Write the proportion equation
548,332.49 : 756,694.55 = 306,615.53 : x - Step 2: Convert to fraction form
548,332.49/756,694.55 = 306,615.53/x - Step 3: Cross multiply
548,332.49x = 756,694.55 × 306,615.53 - Step 4: Simplify right side
548,332.49x = 232,014,297,479.43 - Step 5: Solve for x
x = 232,014,297,479.43/548,332.49 - Step 6: Final answer
x = 423,127.03
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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.