Finding the Fourth Proportional to 419,122.18, 578,403.48 and 237,841.75
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Solution
The fourth proportional to 419,122.18, 578,403.48 and 237,841.75 is: 328,230.05
Step by Step Solution
- Step 1: Write the proportion equation
419,122.18 : 578,403.48 = 237,841.75 : x - Step 2: Convert to fraction form
419,122.18/578,403.48 = 237,841.75/x - Step 3: Cross multiply
419,122.18x = 578,403.48 × 237,841.75 - Step 4: Simplify right side
419,122.18x = 137,568,495,889.29 - Step 5: Solve for x
x = 137,568,495,889.29/419,122.18 - Step 6: Final answer
x = 328,230.05
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1.5x scale
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.