Finding the Fourth Proportional to 162,058.80, 242,569.80 and 115,402.80
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Solution
The fourth proportional to 162,058.80, 242,569.80 and 115,402.80 is: 172,735.05
Step by Step Solution
- Step 1: Write the proportion equation
162,058.80 : 242,569.80 = 115,402.80 : x - Step 2: Convert to fraction form
162,058.80/242,569.80 = 115,402.80/x - Step 3: Cross multiply
162,058.80x = 242,569.80 × 115,402.80 - Step 4: Simplify right side
162,058.80x = 27,993,234,115.44 - Step 5: Solve for x
x = 27,993,234,115.44/162,058.80 - Step 6: Final answer
x = 172,735.05
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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.