Finding the Fourth Proportional to 361,456.34, 541,322.66 and 209,331.99
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Solution
The fourth proportional to 361,456.34, 541,322.66 and 209,331.99 is: 313,498.86
Step by Step Solution
- Step 1: Write the proportion equation
361,456.34 : 541,322.66 = 209,331.99 : x - Step 2: Convert to fraction form
361,456.34/541,322.66 = 209,331.99/x - Step 3: Cross multiply
361,456.34x = 541,322.66 × 209,331.99 - Step 4: Simplify right side
361,456.34x = 113,316,148,603.23 - Step 5: Solve for x
x = 113,316,148,603.23/361,456.34 - Step 6: Final answer
x = 313,498.86
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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.