Finding the Fourth Proportional to 176,034.50, 242,909.74 and 108,054.32
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Solution
The fourth proportional to 176,034.50, 242,909.74 and 108,054.32 is: 149,103.99
Step by Step Solution
- Step 1: Write the proportion equation
176,034.50 : 242,909.74 = 108,054.32 : x - Step 2: Convert to fraction form
176,034.50/242,909.74 = 108,054.32/x - Step 3: Cross multiply
176,034.50x = 242,909.74 × 108,054.32 - Step 4: Simplify right side
176,034.50x = 26,247,446,777.08 - Step 5: Solve for x
x = 26,247,446,777.08/176,034.50 - Step 6: Final answer
x = 149,103.99
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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.