Finding the Fourth Proportional to 498,221.24, 687,538.86 and 271,862.84
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Solution
The fourth proportional to 498,221.24, 687,538.86 and 271,862.84 is: 375,167.20
Step by Step Solution
- Step 1: Write the proportion equation
498,221.24 : 687,538.86 = 271,862.84 : x - Step 2: Convert to fraction form
498,221.24/687,538.86 = 271,862.84/x - Step 3: Cross multiply
498,221.24x = 687,538.86 × 271,862.84 - Step 4: Simplify right side
498,221.24x = 186,916,267,089.96 - Step 5: Solve for x
x = 186,916,267,089.96/498,221.24 - Step 6: Final answer
x = 375,167.20
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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.