Finding the Fourth Proportional to 170,647.12, 255,860.96 and 70,876.08
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Solution
The fourth proportional to 170,647.12, 255,860.96 and 70,876.08 is: 106,268.55
Step by Step Solution
- Step 1: Write the proportion equation
170,647.12 : 255,860.96 = 70,876.08 : x - Step 2: Convert to fraction form
170,647.12/255,860.96 = 70,876.08/x - Step 3: Cross multiply
170,647.12x = 255,860.96 × 70,876.08 - Step 4: Simplify right side
170,647.12x = 18,134,421,869.84 - Step 5: Solve for x
x = 18,134,421,869.84/170,647.12 - Step 6: Final answer
x = 106,268.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.