Finding the Fourth Proportional to 88,201.48, 132,203.76 and 38,206.66
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Solution
The fourth proportional to 88,201.48, 132,203.76 and 38,206.66 is: 57,267.34
Step by Step Solution
- Step 1: Write the proportion equation
88,201.48 : 132,203.76 = 38,206.66 : x - Step 2: Convert to fraction form
88,201.48/132,203.76 = 38,206.66/x - Step 3: Cross multiply
88,201.48x = 132,203.76 × 38,206.66 - Step 4: Simplify right side
88,201.48x = 5,051,064,109.04 - Step 5: Solve for x
x = 5,051,064,109.04/88,201.48 - Step 6: Final answer
x = 57,267.34
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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.