Finding the Fourth Proportional to 417,695.72, 576,413.88 and 236,442.02
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Solution
The fourth proportional to 417,695.72, 576,413.88 and 236,442.02 is: 326,286.47
Step by Step Solution
- Step 1: Write the proportion equation
417,695.72 : 576,413.88 = 236,442.02 : x - Step 2: Convert to fraction form
417,695.72/576,413.88 = 236,442.02/x - Step 3: Cross multiply
417,695.72x = 576,413.88 × 236,442.02 - Step 4: Simplify right side
417,695.72x = 136,288,462,143.24 - Step 5: Solve for x
x = 136,288,462,143.24/417,695.72 - Step 6: Final answer
x = 326,286.47
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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.