Finding the Fourth Proportional to 103,290.51, 154,840.69 and 40,152.63
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Solution
The fourth proportional to 103,290.51, 154,840.69 and 40,152.63 is: 60,191.99
Step by Step Solution
- Step 1: Write the proportion equation
103,290.51 : 154,840.69 = 40,152.63 : x - Step 2: Convert to fraction form
103,290.51/154,840.69 = 40,152.63/x - Step 3: Cross multiply
103,290.51x = 154,840.69 × 40,152.63 - Step 4: Simplify right side
103,290.51x = 6,217,260,934.51 - Step 5: Solve for x
x = 6,217,260,934.51/103,290.51 - Step 6: Final answer
x = 60,191.99
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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.