Finding the Fourth Proportional to 193,276.60, 266,723.64 and 108,391.84
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Solution
The fourth proportional to 193,276.60, 266,723.64 and 108,391.84 is: 149,581.82
Step by Step Solution
- Step 1: Write the proportion equation
193,276.60 : 266,723.64 = 108,391.84 : x - Step 2: Convert to fraction form
193,276.60/266,723.64 = 108,391.84/x - Step 3: Cross multiply
193,276.60x = 266,723.64 × 108,391.84 - Step 4: Simplify right side
193,276.60x = 28,910,666,111.10 - Step 5: Solve for x
x = 28,910,666,111.10/193,276.60 - Step 6: Final answer
x = 149,581.82
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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.