Finding the Fourth Proportional to 168,477.12, 252,711.32 and 68,637.15
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Solution
The fourth proportional to 168,477.12, 252,711.32 and 68,637.15 is: 102,953.95
Step by Step Solution
- Step 1: Write the proportion equation
168,477.12 : 252,711.32 = 68,637.15 : x - Step 2: Convert to fraction form
168,477.12/252,711.32 = 68,637.15/x - Step 3: Cross multiply
168,477.12x = 252,711.32 × 68,637.15 - Step 4: Simplify right side
168,477.12x = 17,345,384,434.35 - Step 5: Solve for x
x = 17,345,384,434.35/168,477.12 - Step 6: Final answer
x = 102,953.95
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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.