Finding the Fourth Proportional to 163,036.08, 244,929.42 and 115,115.40
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Solution
The fourth proportional to 163,036.08, 244,929.42 and 115,115.40 is: 172,938.09
Step by Step Solution
- Step 1: Write the proportion equation
163,036.08 : 244,929.42 = 115,115.40 : x - Step 2: Convert to fraction form
163,036.08/244,929.42 = 115,115.40/x - Step 3: Cross multiply
163,036.08x = 244,929.42 × 115,115.40 - Step 4: Simplify right side
163,036.08x = 28,195,148,155.07 - Step 5: Solve for x
x = 28,195,148,155.07/163,036.08 - Step 6: Final answer
x = 172,938.09
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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.