Finding the Fourth Proportional to 377,218.08, 520,570.80 and 207,456.66
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Solution
The fourth proportional to 377,218.08, 520,570.80 and 207,456.66 is: 286,295.61
Step by Step Solution
- Step 1: Write the proportion equation
377,218.08 : 520,570.80 = 207,456.66 : x - Step 2: Convert to fraction form
377,218.08/520,570.80 = 207,456.66/x - Step 3: Cross multiply
377,218.08x = 520,570.80 × 207,456.66 - Step 4: Simplify right side
377,218.08x = 107,995,879,461.53 - Step 5: Solve for x
x = 107,995,879,461.53/377,218.08 - Step 6: Final answer
x = 286,295.61
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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.