Finding the Fourth Proportional to 343,590.07, 474,138.28 and 190,626.63
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Solution
The fourth proportional to 343,590.07, 474,138.28 and 190,626.63 is: 263,055.86
Step by Step Solution
- Step 1: Write the proportion equation
343,590.07 : 474,138.28 = 190,626.63 : x - Step 2: Convert to fraction form
343,590.07/474,138.28 = 190,626.63/x - Step 3: Cross multiply
343,590.07x = 474,138.28 × 190,626.63 - Step 4: Simplify right side
343,590.07x = 90,383,382,470.40 - Step 5: Solve for x
x = 90,383,382,470.40/343,590.07 - Step 6: Final answer
x = 263,055.86
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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.