Finding the Fourth Proportional to 194,948.79, 291,757.84 and 163,394.50
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Solution
The fourth proportional to 194,948.79, 291,757.84 and 163,394.50 is: 244,534.09
Step by Step Solution
- Step 1: Write the proportion equation
194,948.79 : 291,757.84 = 163,394.50 : x - Step 2: Convert to fraction form
194,948.79/291,757.84 = 163,394.50/x - Step 3: Cross multiply
194,948.79x = 291,757.84 × 163,394.50 - Step 4: Simplify right side
194,948.79x = 47,671,625,570.91 - Step 5: Solve for x
x = 47,671,625,570.91/194,948.79 - Step 6: Final answer
x = 244,534.09
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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.