Finding the Fourth Proportional to 157,081.80, 235,622.70 and 146,713.80
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Solution
The fourth proportional to 157,081.80, 235,622.70 and 146,713.80 is: 220,070.70
Step by Step Solution
- Step 1: Write the proportion equation
157,081.80 : 235,622.70 = 146,713.80 : x - Step 2: Convert to fraction form
157,081.80/235,622.70 = 146,713.80/x - Step 3: Cross multiply
157,081.80x = 235,622.70 × 146,713.80 - Step 4: Simplify right side
157,081.80x = 34,569,101,683.26 - Step 5: Solve for x
x = 34,569,101,683.26/157,081.80 - Step 6: Final answer
x = 220,070.70
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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.