Finding the Fourth Proportional to 159,465.08, 239,203.30 and 54,270.38
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Solution
The fourth proportional to 159,465.08, 239,203.30 and 54,270.38 is: 81,407.50
Step by Step Solution
- Step 1: Write the proportion equation
159,465.08 : 239,203.30 = 54,270.38 : x - Step 2: Convert to fraction form
159,465.08/239,203.30 = 54,270.38/x - Step 3: Cross multiply
159,465.08x = 239,203.30 × 54,270.38 - Step 4: Simplify right side
159,465.08x = 12,981,653,988.25 - Step 5: Solve for x
x = 12,981,653,988.25/159,465.08 - Step 6: Final answer
x = 81,407.50
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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.