Finding the Fourth Proportional to 163,085.80, 244,628.70 and 149,307.70
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Solution
The fourth proportional to 163,085.80, 244,628.70 and 149,307.70 is: 223,961.55
Step by Step Solution
- Step 1: Write the proportion equation
163,085.80 : 244,628.70 = 149,307.70 : x - Step 2: Convert to fraction form
163,085.80/244,628.70 = 149,307.70/x - Step 3: Cross multiply
163,085.80x = 244,628.70 × 149,307.70 - Step 4: Simplify right side
163,085.80x = 36,524,948,550.99 - Step 5: Solve for x
x = 36,524,948,550.99/163,085.80 - Step 6: Final answer
x = 223,961.55
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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.