Finding the Fourth Proportional to 417,762.47, 576,350.78 and 236,432.84
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Solution
The fourth proportional to 417,762.47, 576,350.78 and 236,432.84 is: 326,185.95
Step by Step Solution
- Step 1: Write the proportion equation
417,762.47 : 576,350.78 = 236,432.84 : x - Step 2: Convert to fraction form
417,762.47/576,350.78 = 236,432.84/x - Step 3: Cross multiply
417,762.47x = 576,350.78 × 236,432.84 - Step 4: Simplify right side
417,762.47x = 136,268,247,687.70 - Step 5: Solve for x
x = 136,268,247,687.70/417,762.47 - Step 6: Final answer
x = 326,185.95
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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.