Finding the Fourth Proportional to 572,015.99, 858,249.98 and 217,124.21
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Solution
The fourth proportional to 572,015.99, 858,249.98 and 217,124.21 is: 325,772.09
Step by Step Solution
- Step 1: Write the proportion equation
572,015.99 : 858,249.98 = 217,124.21 : x - Step 2: Convert to fraction form
572,015.99/858,249.98 = 217,124.21/x - Step 3: Cross multiply
572,015.99x = 858,249.98 × 217,124.21 - Step 4: Simplify right side
572,015.99x = 186,346,843,513.15 - Step 5: Solve for x
x = 186,346,843,513.15/572,015.99 - Step 6: Final answer
x = 325,772.09
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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.