Finding the Fourth Proportional to 548,585.84, 757,044.96 and 306,867.26
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Solution
The fourth proportional to 548,585.84, 757,044.96 and 306,867.26 is: 423,474.86
Step by Step Solution
- Step 1: Write the proportion equation
548,585.84 : 757,044.96 = 306,867.26 : x - Step 2: Convert to fraction form
548,585.84/757,044.96 = 306,867.26/x - Step 3: Cross multiply
548,585.84x = 757,044.96 × 306,867.26 - Step 4: Simplify right side
548,585.84x = 232,312,312,572.01 - Step 5: Solve for x
x = 232,312,312,572.01/548,585.84 - Step 6: Final answer
x = 423,474.86
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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.