Finding the Fourth Proportional to 168,468.48, 252,701.70 and 42,108.09
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Solution
The fourth proportional to 168,468.48, 252,701.70 and 42,108.09 is: 63,161.88
Step by Step Solution
- Step 1: Write the proportion equation
168,468.48 : 252,701.70 = 42,108.09 : x - Step 2: Convert to fraction form
168,468.48/252,701.70 = 42,108.09/x - Step 3: Cross multiply
168,468.48x = 252,701.70 × 42,108.09 - Step 4: Simplify right side
168,468.48x = 10,640,785,926.75 - Step 5: Solve for x
x = 10,640,785,926.75/168,468.48 - Step 6: Final answer
x = 63,161.88
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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.