Finding the Fourth Proportional to 613,825.12, 847,121.19 and 372,117.88
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Solution
The fourth proportional to 613,825.12, 847,121.19 and 372,117.88 is: 513,548.45
Step by Step Solution
- Step 1: Write the proportion equation
613,825.12 : 847,121.19 = 372,117.88 : x - Step 2: Convert to fraction form
613,825.12/847,121.19 = 372,117.88/x - Step 3: Cross multiply
613,825.12x = 847,121.19 × 372,117.88 - Step 4: Simplify right side
613,825.12x = 315,228,941,325.88 - Step 5: Solve for x
x = 315,228,941,325.88/613,825.12 - Step 6: Final answer
x = 513,548.45
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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.