Finding the Fourth Proportional to 377,618.72, 521,113.97 and 207,851.63
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Solution
The fourth proportional to 377,618.72, 521,113.97 and 207,851.63 is: 286,835.32
Step by Step Solution
- Step 1: Write the proportion equation
377,618.72 : 521,113.97 = 207,851.63 : x - Step 2: Convert to fraction form
377,618.72/521,113.97 = 207,851.63/x - Step 3: Cross multiply
377,618.72x = 521,113.97 × 207,851.63 - Step 4: Simplify right side
377,618.72x = 108,314,385,994.33 - Step 5: Solve for x
x = 108,314,385,994.33/377,618.72 - Step 6: Final answer
x = 286,835.32
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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.