Finding the Fourth Proportional to 505,630.26, 758,151.95 and 239,388.53
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Solution
The fourth proportional to 505,630.26, 758,151.95 and 239,388.53 is: 358,943.86
Step by Step Solution
- Step 1: Write the proportion equation
505,630.26 : 758,151.95 = 239,388.53 : x - Step 2: Convert to fraction form
505,630.26/758,151.95 = 239,388.53/x - Step 3: Cross multiply
505,630.26x = 758,151.95 × 239,388.53 - Step 4: Simplify right side
505,630.26x = 181,492,875,839.43 - Step 5: Solve for x
x = 181,492,875,839.43/505,630.26 - Step 6: Final answer
x = 358,943.86
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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.