Finding the Fourth Proportional to 218,819.61, 328,284.77 and 61,047.99
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Solution
The fourth proportional to 218,819.61, 328,284.77 and 61,047.99 is: 91,587.43
Step by Step Solution
- Step 1: Write the proportion equation
218,819.61 : 328,284.77 = 61,047.99 : x - Step 2: Convert to fraction form
218,819.61/328,284.77 = 61,047.99/x - Step 3: Cross multiply
218,819.61x = 328,284.77 × 61,047.99 - Step 4: Simplify right side
218,819.61x = 20,041,125,050.87 - Step 5: Solve for x
x = 20,041,125,050.87/218,819.61 - Step 6: Final answer
x = 91,587.43
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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.