Finding the Fourth Proportional to 159,807.23, 220,466.88 and 112,091.75
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Solution
The fourth proportional to 159,807.23, 220,466.88 and 112,091.75 is: 154,639.55
Step by Step Solution
- Step 1: Write the proportion equation
159,807.23 : 220,466.88 = 112,091.75 : x - Step 2: Convert to fraction form
159,807.23/220,466.88 = 112,091.75/x - Step 3: Cross multiply
159,807.23x = 220,466.88 × 112,091.75 - Step 4: Simplify right side
159,807.23x = 24,712,518,396.24 - Step 5: Solve for x
x = 24,712,518,396.24/159,807.23 - Step 6: Final answer
x = 154,639.55
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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.