Finding the Fourth Proportional to 112,819.68, 155,692.08 and 62,519.52
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Solution
The fourth proportional to 112,819.68, 155,692.08 and 62,519.52 is: 86,277.45
Step by Step Solution
- Step 1: Write the proportion equation
112,819.68 : 155,692.08 = 62,519.52 : x - Step 2: Convert to fraction form
112,819.68/155,692.08 = 62,519.52/x - Step 3: Cross multiply
112,819.68x = 155,692.08 × 62,519.52 - Step 4: Simplify right side
112,819.68x = 9,733,794,109.40 - Step 5: Solve for x
x = 9,733,794,109.40/112,819.68 - Step 6: Final answer
x = 86,277.45
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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.