Finding the Fourth Proportional to 168,502.28, 252,683.12 and 68,594.63
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Solution
The fourth proportional to 168,502.28, 252,683.12 and 68,594.63 is: 102,863.32
Step by Step Solution
- Step 1: Write the proportion equation
168,502.28 : 252,683.12 = 68,594.63 : x - Step 2: Convert to fraction form
168,502.28/252,683.12 = 68,594.63/x - Step 3: Cross multiply
168,502.28x = 252,683.12 × 68,594.63 - Step 4: Simplify right side
168,502.28x = 17,332,704,031.72 - Step 5: Solve for x
x = 17,332,704,031.72/168,502.28 - Step 6: Final answer
x = 102,863.32
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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.