Finding the Fourth Proportional to 328,518.48, 453,356.20 and 177,615.48
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Solution
The fourth proportional to 328,518.48, 453,356.20 and 177,615.48 is: 245,109.74
Step by Step Solution
- Step 1: Write the proportion equation
328,518.48 : 453,356.20 = 177,615.48 : x - Step 2: Convert to fraction form
328,518.48/453,356.20 = 177,615.48/x - Step 3: Cross multiply
328,518.48x = 453,356.20 × 177,615.48 - Step 4: Simplify right side
328,518.48x = 80,523,079,073.98 - Step 5: Solve for x
x = 80,523,079,073.98/328,518.48 - Step 6: Final answer
x = 245,109.74
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1.5x scale
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.