Finding the Fourth Proportional to 163,566.91, 245,267.32 and 74,744.31
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Solution
The fourth proportional to 163,566.91, 245,267.32 and 74,744.31 is: 112,078.52
Step by Step Solution
- Step 1: Write the proportion equation
163,566.91 : 245,267.32 = 74,744.31 : x - Step 2: Convert to fraction form
163,566.91/245,267.32 = 74,744.31/x - Step 3: Cross multiply
163,566.91x = 245,267.32 × 74,744.31 - Step 4: Simplify right side
163,566.91x = 18,332,336,598.95 - Step 5: Solve for x
x = 18,332,336,598.95/163,566.91 - Step 6: Final answer
x = 112,078.52
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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.