Finding the Fourth Proportional to 572,253.99, 858,381.05 and 217,268.20
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Solution
The fourth proportional to 572,253.99, 858,381.05 and 217,268.20 is: 325,902.32
Step by Step Solution
- Step 1: Write the proportion equation
572,253.99 : 858,381.05 = 217,268.20 : x - Step 2: Convert to fraction form
572,253.99/858,381.05 = 217,268.20/x - Step 3: Cross multiply
572,253.99x = 858,381.05 × 217,268.20 - Step 4: Simplify right side
572,253.99x = 186,498,905,647.61 - Step 5: Solve for x
x = 186,498,905,647.61/572,253.99 - Step 6: Final answer
x = 325,902.32
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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.