Finding the Fourth Proportional to 219,811.70, 329,717.55 and 164,515.70
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Solution
The fourth proportional to 219,811.70, 329,717.55 and 164,515.70 is: 246,773.55
Step by Step Solution
- Step 1: Write the proportion equation
219,811.70 : 329,717.55 = 164,515.70 : x - Step 2: Convert to fraction form
219,811.70/329,717.55 = 164,515.70/x - Step 3: Cross multiply
219,811.70x = 329,717.55 × 164,515.70 - Step 4: Simplify right side
219,811.70x = 54,243,713,540.54 - Step 5: Solve for x
x = 54,243,713,540.54/219,811.70 - Step 6: Final answer
x = 246,773.55
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1.5x scale
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.