Finding the Fourth Proportional to 347,292.19, 479,111.12 and 203,987.62
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Solution
The fourth proportional to 347,292.19, 479,111.12 and 203,987.62 is: 281,413.57
Step by Step Solution
- Step 1: Write the proportion equation
347,292.19 : 479,111.12 = 203,987.62 : x - Step 2: Convert to fraction form
347,292.19/479,111.12 = 203,987.62/x - Step 3: Cross multiply
347,292.19x = 479,111.12 × 203,987.62 - Step 4: Simplify right side
347,292.19x = 97,732,734,688.78 - Step 5: Solve for x
x = 97,732,734,688.78/347,292.19 - Step 6: Final answer
x = 281,413.57
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1.5x scale
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.