Finding the Fourth Proportional to 343,590.53, 474,138.86 and 190,627.08
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Solution
The fourth proportional to 343,590.53, 474,138.86 and 190,627.08 is: 263,056.45
Step by Step Solution
- Step 1: Write the proportion equation
343,590.53 : 474,138.86 = 190,627.08 : x - Step 2: Convert to fraction form
343,590.53/474,138.86 = 190,627.08/x - Step 3: Cross multiply
343,590.53x = 474,138.86 × 190,627.08 - Step 4: Simplify right side
343,590.53x = 90,383,705,443.19 - Step 5: Solve for x
x = 90,383,705,443.19/343,590.53 - Step 6: Final answer
x = 263,056.45
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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.