Finding the Fourth Proportional to 154,526.94, 213,210.63 and 87,458.94
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Solution
The fourth proportional to 154,526.94, 213,210.63 and 87,458.94 is: 120,672.65
Step by Step Solution
- Step 1: Write the proportion equation
154,526.94 : 213,210.63 = 87,458.94 : x - Step 2: Convert to fraction form
154,526.94/213,210.63 = 87,458.94/x - Step 3: Cross multiply
154,526.94x = 213,210.63 × 87,458.94 - Step 4: Simplify right side
154,526.94x = 18,647,175,259.24 - Step 5: Solve for x
x = 18,647,175,259.24/154,526.94 - Step 6: Final answer
x = 120,672.65
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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.