Finding the Fourth Proportional to 613,073.84, 919,611.12 and 169,841.84
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Solution
The fourth proportional to 613,073.84, 919,611.12 and 169,841.84 is: 254,762.86
Step by Step Solution
- Step 1: Write the proportion equation
613,073.84 : 919,611.12 = 169,841.84 : x - Step 2: Convert to fraction form
613,073.84/919,611.12 = 169,841.84/x - Step 3: Cross multiply
613,073.84x = 919,611.12 × 169,841.84 - Step 4: Simplify right side
613,073.84x = 156,188,444,705.26 - Step 5: Solve for x
x = 156,188,444,705.26/613,073.84 - Step 6: Final answer
x = 254,762.86
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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.