Finding the Fourth Proportional to 192,376.12, 265,483.74 and 107,498.68
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Solution
The fourth proportional to 192,376.12, 265,483.74 and 107,498.68 is: 148,350.80
Step by Step Solution
- Step 1: Write the proportion equation
192,376.12 : 265,483.74 = 107,498.68 : x - Step 2: Convert to fraction form
192,376.12/265,483.74 = 107,498.68/x - Step 3: Cross multiply
192,376.12x = 265,483.74 × 107,498.68 - Step 4: Simplify right side
192,376.12x = 28,539,151,611.46 - Step 5: Solve for x
x = 28,539,151,611.46/192,376.12 - Step 6: Final answer
x = 148,350.80
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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.