Finding the Fourth Proportional to 194,385.41, 268,254.55 and 108,341.99
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Solution
The fourth proportional to 194,385.41, 268,254.55 and 108,341.99 is: 149,513.44
Step by Step Solution
- Step 1: Write the proportion equation
194,385.41 : 268,254.55 = 108,341.99 : x - Step 2: Convert to fraction form
194,385.41/268,254.55 = 108,341.99/x - Step 3: Cross multiply
194,385.41x = 268,254.55 × 108,341.99 - Step 4: Simplify right side
194,385.41x = 29,063,231,773.55 - Step 5: Solve for x
x = 29,063,231,773.55/194,385.41 - Step 6: Final answer
x = 149,513.44
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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.