Finding the Fourth Proportional to 154,276.26, 212,898.42 and 87,208.26
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Solution
The fourth proportional to 154,276.26, 212,898.42 and 87,208.26 is: 120,345.81
Step by Step Solution
- Step 1: Write the proportion equation
154,276.26 : 212,898.42 = 87,208.26 : x - Step 2: Convert to fraction form
154,276.26/212,898.42 = 87,208.26/x - Step 3: Cross multiply
154,276.26x = 212,898.42 × 87,208.26 - Step 4: Simplify right side
154,276.26x = 18,566,500,764.95 - Step 5: Solve for x
x = 18,566,500,764.95/154,276.26 - Step 6: Final answer
x = 120,345.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.