Finding the Fourth Proportional to 377,946.76, 521,567.26 and 205,864.20
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Solution
The fourth proportional to 377,946.76, 521,567.26 and 205,864.20 is: 284,092.99
Step by Step Solution
- Step 1: Write the proportion equation
377,946.76 : 521,567.26 = 205,864.20 : x - Step 2: Convert to fraction form
377,946.76/521,567.26 = 205,864.20/x - Step 3: Cross multiply
377,946.76x = 521,567.26 × 205,864.20 - Step 4: Simplify right side
377,946.76x = 107,372,026,726.09 - Step 5: Solve for x
x = 107,372,026,726.09/377,946.76 - Step 6: Final answer
x = 284,092.99
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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.