Finding the Fourth Proportional to 635,413.62, 953,304.90 and 256,138.62
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Solution
The fourth proportional to 635,413.62, 953,304.90 and 256,138.62 is: 384,282.29
Step by Step Solution
- Step 1: Write the proportion equation
635,413.62 : 953,304.90 = 256,138.62 : x - Step 2: Convert to fraction form
635,413.62/953,304.90 = 256,138.62/x - Step 3: Cross multiply
635,413.62x = 953,304.90 × 256,138.62 - Step 4: Simplify right side
635,413.62x = 244,178,201,525.24 - Step 5: Solve for x
x = 244,178,201,525.24/635,413.62 - Step 6: Final answer
x = 384,282.29
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1.5x scale
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.