Finding the Fourth Proportional to 320,352.06, 442,095.06 and 177,121.32
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Solution
The fourth proportional to 320,352.06, 442,095.06 and 177,121.32 is: 244,432.52
Step by Step Solution
- Step 1: Write the proportion equation
320,352.06 : 442,095.06 = 177,121.32 : x - Step 2: Convert to fraction form
320,352.06/442,095.06 = 177,121.32/x - Step 3: Cross multiply
320,352.06x = 442,095.06 × 177,121.32 - Step 4: Simplify right side
320,352.06x = 78,304,460,592.68 - Step 5: Solve for x
x = 78,304,460,592.68/320,352.06 - Step 6: Final answer
x = 244,432.52
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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.