Finding the Fourth Proportional to 101,193.70, 151,790.55 and 98,277.70
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Solution
The fourth proportional to 101,193.70, 151,790.55 and 98,277.70 is: 147,416.55
Step by Step Solution
- Step 1: Write the proportion equation
101,193.70 : 151,790.55 = 98,277.70 : x - Step 2: Convert to fraction form
101,193.70/151,790.55 = 98,277.70/x - Step 3: Cross multiply
101,193.70x = 151,790.55 × 98,277.70 - Step 4: Simplify right side
101,193.70x = 14,917,626,135.74 - Step 5: Solve for x
x = 14,917,626,135.74/101,193.70 - Step 6: Final answer
x = 147,416.55
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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.