Finding the Fourth Proportional to 109,703.70, 164,555.55 and 26,597.70
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Solution
The fourth proportional to 109,703.70, 164,555.55 and 26,597.70 is: 39,896.55
Step by Step Solution
- Step 1: Write the proportion equation
109,703.70 : 164,555.55 = 26,597.70 : x - Step 2: Convert to fraction form
109,703.70/164,555.55 = 26,597.70/x - Step 3: Cross multiply
109,703.70x = 164,555.55 × 26,597.70 - Step 4: Simplify right side
109,703.70x = 4,376,799,152.24 - Step 5: Solve for x
x = 4,376,799,152.24/109,703.70 - Step 6: Final answer
x = 39,896.55
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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.