Finding the Fourth Proportional to 498,277.76, 687,623.12 and 271,923.26
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Solution
The fourth proportional to 498,277.76, 687,623.12 and 271,923.26 is: 375,253.99
Step by Step Solution
- Step 1: Write the proportion equation
498,277.76 : 687,623.12 = 271,923.26 : x - Step 2: Convert to fraction form
498,277.76/687,623.12 = 271,923.26/x - Step 3: Cross multiply
498,277.76x = 687,623.12 × 271,923.26 - Step 4: Simplify right side
498,277.76x = 186,980,715,644.04 - Step 5: Solve for x
x = 186,980,715,644.04/498,277.76 - Step 6: Final answer
x = 375,253.99
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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.