Finding the Fourth Proportional to 498,318.84, 687,670.40 and 271,965.96
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Solution
The fourth proportional to 498,318.84, 687,670.40 and 271,965.96 is: 375,307.79
Step by Step Solution
- Step 1: Write the proportion equation
498,318.84 : 687,670.40 = 271,965.96 : x - Step 2: Convert to fraction form
498,318.84/687,670.40 = 271,965.96/x - Step 3: Cross multiply
498,318.84x = 687,670.40 × 271,965.96 - Step 4: Simplify right side
498,318.84x = 187,022,940,499.58 - Step 5: Solve for x
x = 187,022,940,499.58/498,318.84 - Step 6: Final answer
x = 375,307.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.