Finding the Fourth Proportional to 159,841.08, 239,685.12 and 75,530.88
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Solution
The fourth proportional to 159,841.08, 239,685.12 and 75,530.88 is: 113,260.17
Step by Step Solution
- Step 1: Write the proportion equation
159,841.08 : 239,685.12 = 75,530.88 : x - Step 2: Convert to fraction form
159,841.08/239,685.12 = 75,530.88/x - Step 3: Cross multiply
159,841.08x = 239,685.12 × 75,530.88 - Step 4: Simplify right side
159,841.08x = 18,103,628,036.51 - Step 5: Solve for x
x = 18,103,628,036.51/159,841.08 - Step 6: Final answer
x = 113,260.17
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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.