Finding the Fourth Proportional to 160,423.32, 221,381.49 and 88,801.80
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Solution
The fourth proportional to 160,423.32, 221,381.49 and 88,801.80 is: 122,544.99
Step by Step Solution
- Step 1: Write the proportion equation
160,423.32 : 221,381.49 = 88,801.80 : x - Step 2: Convert to fraction form
160,423.32/221,381.49 = 88,801.80/x - Step 3: Cross multiply
160,423.32x = 221,381.49 × 88,801.80 - Step 4: Simplify right side
160,423.32x = 19,659,074,798.68 - Step 5: Solve for x
x = 19,659,074,798.68/160,423.32 - Step 6: Final answer
x = 122,544.99
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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.