Finding the Fourth Proportional to 148,651.74, 222,968.97 and 108,711.18
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Solution
The fourth proportional to 148,651.74, 222,968.97 and 108,711.18 is: 163,060.45
Step by Step Solution
- Step 1: Write the proportion equation
148,651.74 : 222,968.97 = 108,711.18 : x - Step 2: Convert to fraction form
148,651.74/222,968.97 = 108,711.18/x - Step 3: Cross multiply
148,651.74x = 222,968.97 × 108,711.18 - Step 4: Simplify right side
148,651.74x = 24,239,219,832.08 - Step 5: Solve for x
x = 24,239,219,832.08/148,651.74 - Step 6: Final answer
x = 163,060.45
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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.