Finding the Fourth Proportional to 104,600.64, 144,350.36 and 56,853.99
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Solution
The fourth proportional to 104,600.64, 144,350.36 and 56,853.99 is: 78,459.31
Step by Step Solution
- Step 1: Write the proportion equation
104,600.64 : 144,350.36 = 56,853.99 : x - Step 2: Convert to fraction form
104,600.64/144,350.36 = 56,853.99/x - Step 3: Cross multiply
104,600.64x = 144,350.36 × 56,853.99 - Step 4: Simplify right side
104,600.64x = 8,206,893,639.67 - Step 5: Solve for x
x = 8,206,893,639.67/104,600.64 - Step 6: Final answer
x = 78,459.31
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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.