Finding the Fourth Proportional to 112,994.24, 155,926.88 and 62,692.80
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Solution
The fourth proportional to 112,994.24, 155,926.88 and 62,692.80 is: 86,513.19
Step by Step Solution
- Step 1: Write the proportion equation
112,994.24 : 155,926.88 = 62,692.80 : x - Step 2: Convert to fraction form
112,994.24/155,926.88 = 62,692.80/x - Step 3: Cross multiply
112,994.24x = 155,926.88 × 62,692.80 - Step 4: Simplify right side
112,994.24x = 9,775,492,702.46 - Step 5: Solve for x
x = 9,775,492,702.46/112,994.24 - Step 6: Final answer
x = 86,513.19
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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.