Finding the Fourth Proportional to 613,071.84, 919,608.12 and 169,839.84
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Solution
The fourth proportional to 613,071.84, 919,608.12 and 169,839.84 is: 254,759.86
Step by Step Solution
- Step 1: Write the proportion equation
613,071.84 : 919,608.12 = 169,839.84 : x - Step 2: Convert to fraction form
613,071.84/919,608.12 = 169,839.84/x - Step 3: Cross multiply
613,071.84x = 919,608.12 × 169,839.84 - Step 4: Simplify right side
613,071.84x = 156,186,095,963.50 - Step 5: Solve for x
x = 156,186,095,963.50/613,071.84 - Step 6: Final answer
x = 254,759.86
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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.