Finding the Fourth Proportional to 498,176.36, 687,463.56 and 294,292.75
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Solution
The fourth proportional to 498,176.36, 687,463.56 and 294,292.75 is: 406,112.29
Step by Step Solution
- Step 1: Write the proportion equation
498,176.36 : 687,463.56 = 294,292.75 : x - Step 2: Convert to fraction form
498,176.36/687,463.56 = 294,292.75/x - Step 3: Cross multiply
498,176.36x = 687,463.56 × 294,292.75 - Step 4: Simplify right side
498,176.36x = 202,315,539,878.53 - Step 5: Solve for x
x = 202,315,539,878.53/498,176.36 - Step 6: Final answer
x = 406,112.29
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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.