Finding the Fourth Proportional to 527,134.74, 790,702.21 and 190,175.28
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Solution
The fourth proportional to 527,134.74, 790,702.21 and 190,175.28 is: 285,262.96
Step by Step Solution
- Step 1: Write the proportion equation
527,134.74 : 790,702.21 = 190,175.28 : x - Step 2: Convert to fraction form
527,134.74/790,702.21 = 190,175.28/x - Step 3: Cross multiply
527,134.74x = 790,702.21 × 190,175.28 - Step 4: Simplify right side
527,134.74x = 150,372,014,183.37 - Step 5: Solve for x
x = 150,372,014,183.37/527,134.74 - Step 6: Final answer
x = 285,262.96
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Similar ratio
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1.5x scale
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.