Finding the Fourth Proportional to 613,375.08, 920,054.36 and 157,963.80
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Solution
The fourth proportional to 613,375.08, 920,054.36 and 157,963.80 is: 236,943.57
Step by Step Solution
- Step 1: Write the proportion equation
613,375.08 : 920,054.36 = 157,963.80 : x - Step 2: Convert to fraction form
613,375.08/920,054.36 = 157,963.80/x - Step 3: Cross multiply
613,375.08x = 920,054.36 × 157,963.80 - Step 4: Simplify right side
613,375.08x = 145,335,282,912.17 - Step 5: Solve for x
x = 145,335,282,912.17/613,375.08 - Step 6: Final answer
x = 236,943.57
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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.