Finding the Fourth Proportional to 110,675.36, 152,728.64 and 62,279.99
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Solution
The fourth proportional to 110,675.36, 152,728.64 and 62,279.99 is: 85,944.49
Step by Step Solution
- Step 1: Write the proportion equation
110,675.36 : 152,728.64 = 62,279.99 : x - Step 2: Convert to fraction form
110,675.36/152,728.64 = 62,279.99/x - Step 3: Cross multiply
110,675.36x = 152,728.64 × 62,279.99 - Step 4: Simplify right side
110,675.36x = 9,511,937,903.15 - Step 5: Solve for x
x = 9,511,937,903.15/110,675.36 - Step 6: Final answer
x = 85,944.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.