Finding the Fourth Proportional to 377,963.58, 521,589.76 and 208,197.74
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Solution
The fourth proportional to 377,963.58, 521,589.76 and 208,197.74 is: 287,312.89
Step by Step Solution
- Step 1: Write the proportion equation
377,963.58 : 521,589.76 = 208,197.74 : x - Step 2: Convert to fraction form
377,963.58/521,589.76 = 208,197.74/x - Step 3: Cross multiply
377,963.58x = 521,589.76 × 208,197.74 - Step 4: Simplify right side
377,963.58x = 108,593,809,239.14 - Step 5: Solve for x
x = 108,593,809,239.14/377,963.58 - Step 6: Final answer
x = 287,312.89
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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.