Finding the Fourth Proportional to 356,117.33, 491,441.68 and 194,972.34
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Solution
The fourth proportional to 356,117.33, 491,441.68 and 194,972.34 is: 269,061.70
Step by Step Solution
- Step 1: Write the proportion equation
356,117.33 : 491,441.68 = 194,972.34 : x - Step 2: Convert to fraction form
356,117.33/491,441.68 = 194,972.34/x - Step 3: Cross multiply
356,117.33x = 491,441.68 × 194,972.34 - Step 4: Simplify right side
356,117.33x = 95,817,534,323.13 - Step 5: Solve for x
x = 95,817,534,323.13/356,117.33 - Step 6: Final answer
x = 269,061.70
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1.5x scale
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.