Finding the Fourth Proportional to 664,592.13, 996,888.21 and 165,956.13
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Solution
The fourth proportional to 664,592.13, 996,888.21 and 165,956.13 is: 248,934.20
Step by Step Solution
- Step 1: Write the proportion equation
664,592.13 : 996,888.21 = 165,956.13 : x - Step 2: Convert to fraction form
664,592.13/996,888.21 = 165,956.13/x - Step 3: Cross multiply
664,592.13x = 996,888.21 × 165,956.13 - Step 4: Simplify right side
664,592.13x = 165,439,709,374.23 - Step 5: Solve for x
x = 165,439,709,374.23/664,592.13 - Step 6: Final answer
x = 248,934.20
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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.