Finding the Fourth Proportional to 320,710.58, 442,573.98 and 177,470.54
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Solution
The fourth proportional to 320,710.58, 442,573.98 and 177,470.54 is: 244,905.68
Step by Step Solution
- Step 1: Write the proportion equation
320,710.58 : 442,573.98 = 177,470.54 : x - Step 2: Convert to fraction form
320,710.58/442,573.98 = 177,470.54/x - Step 3: Cross multiply
320,710.58x = 442,573.98 × 177,470.54 - Step 4: Simplify right side
320,710.58x = 78,543,843,220.55 - Step 5: Solve for x
x = 78,543,843,220.55/320,710.58 - Step 6: Final answer
x = 244,905.68
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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.