Finding the Fourth Proportional to 159,804.23, 220,462.74 and 112,088.75
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Solution
The fourth proportional to 159,804.23, 220,462.74 and 112,088.75 is: 154,635.41
Step by Step Solution
- Step 1: Write the proportion equation
159,804.23 : 220,462.74 = 112,088.75 : x - Step 2: Convert to fraction form
159,804.23/220,462.74 = 112,088.75/x - Step 3: Cross multiply
159,804.23x = 220,462.74 × 112,088.75 - Step 4: Simplify right side
159,804.23x = 24,711,391,845.86 - Step 5: Solve for x
x = 24,711,391,845.86/159,804.23 - Step 6: Final answer
x = 154,635.41
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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.