Finding the Fourth Proportional to 388,590.66, 582,964.56 and 163,951.63
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Solution
The fourth proportional to 388,590.66, 582,964.56 and 163,951.63 is: 245,960.59
Step by Step Solution
- Step 1: Write the proportion equation
388,590.66 : 582,964.56 = 163,951.63 : x - Step 2: Convert to fraction form
388,590.66/582,964.56 = 163,951.63/x - Step 3: Cross multiply
388,590.66x = 582,964.56 × 163,951.63 - Step 4: Simplify right side
388,590.66x = 95,577,988,386.82 - Step 5: Solve for x
x = 95,577,988,386.82/388,590.66 - Step 6: Final answer
x = 245,960.59
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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.