Finding the Fourth Proportional to 498,712.68, 748,535.58 and 246,278.21
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Solution
The fourth proportional to 498,712.68, 748,535.58 and 246,278.21 is: 369,647.71
Step by Step Solution
- Step 1: Write the proportion equation
498,712.68 : 748,535.58 = 246,278.21 : x - Step 2: Convert to fraction form
498,712.68/748,535.58 = 246,278.21/x - Step 3: Cross multiply
498,712.68x = 748,535.58 × 246,278.21 - Step 4: Simplify right side
498,712.68x = 184,347,999,021.03 - Step 5: Solve for x
x = 184,347,999,021.03/498,712.68 - Step 6: Final answer
x = 369,647.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.