Finding the Fourth Proportional to 159,823.22, 220,555.62 and 88,202.74
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Solution
The fourth proportional to 159,823.22, 220,555.62 and 88,202.74 is: 121,719.55
Step by Step Solution
- Step 1: Write the proportion equation
159,823.22 : 220,555.62 = 88,202.74 : x - Step 2: Convert to fraction form
159,823.22/220,555.62 = 88,202.74/x - Step 3: Cross multiply
159,823.22x = 220,555.62 × 88,202.74 - Step 4: Simplify right side
159,823.22x = 19,453,610,006.40 - Step 5: Solve for x
x = 19,453,610,006.40/159,823.22 - Step 6: Final answer
x = 121,719.55
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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.