Finding the Fourth Proportional to 168,689.20, 252,871.80 and 97,538.80
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Solution
The fourth proportional to 168,689.20, 252,871.80 and 97,538.80 is: 146,214.53
Step by Step Solution
- Step 1: Write the proportion equation
168,689.20 : 252,871.80 = 97,538.80 : x - Step 2: Convert to fraction form
168,689.20/252,871.80 = 97,538.80/x - Step 3: Cross multiply
168,689.20x = 252,871.80 × 97,538.80 - Step 4: Simplify right side
168,689.20x = 24,664,811,925.84 - Step 5: Solve for x
x = 24,664,811,925.84/168,689.20 - Step 6: Final answer
x = 146,214.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.