Finding the Fourth Proportional to 146,132.70, 219,220.95 and 61,892.70
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Solution
The fourth proportional to 146,132.70, 219,220.95 and 61,892.70 is: 92,848.33
Step by Step Solution
- Step 1: Write the proportion equation
146,132.70 : 219,220.95 = 61,892.70 : x - Step 2: Convert to fraction form
146,132.70/219,220.95 = 61,892.70/x - Step 3: Cross multiply
146,132.70x = 219,220.95 × 61,892.70 - Step 4: Simplify right side
146,132.70x = 13,568,176,492.07 - Step 5: Solve for x
x = 13,568,176,492.07/146,132.70 - Step 6: Final answer
x = 92,848.33
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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.