Finding the Fourth Proportional to 498,504.41, 687,910.07 and 272,106.17
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Solution
The fourth proportional to 498,504.41, 687,910.07 and 272,106.17 is: 375,492.31
Step by Step Solution
- Step 1: Write the proportion equation
498,504.41 : 687,910.07 = 272,106.17 : x - Step 2: Convert to fraction form
498,504.41/687,910.07 = 272,106.17/x - Step 3: Cross multiply
498,504.41x = 687,910.07 × 272,106.17 - Step 4: Simplify right side
498,504.41x = 187,184,573,091.60 - Step 5: Solve for x
x = 187,184,573,091.60/498,504.41 - Step 6: Final answer
x = 375,492.31
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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.