Finding the Fourth Proportional to 285,117.32, 393,560.25 and 164,306.75
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Solution
The fourth proportional to 285,117.32, 393,560.25 and 164,306.75 is: 226,799.99
Step by Step Solution
- Step 1: Write the proportion equation
285,117.32 : 393,560.25 = 164,306.75 : x - Step 2: Convert to fraction form
285,117.32/393,560.25 = 164,306.75/x - Step 3: Cross multiply
285,117.32x = 393,560.25 × 164,306.75 - Step 4: Simplify right side
285,117.32x = 64,664,605,606.69 - Step 5: Solve for x
x = 64,664,605,606.69/285,117.32 - Step 6: Final answer
x = 226,799.99
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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.