Finding the Fourth Proportional to 157,874.08, 236,805.36 and 47,063.20
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Solution
The fourth proportional to 157,874.08, 236,805.36 and 47,063.20 is: 70,593.08
Step by Step Solution
- Step 1: Write the proportion equation
157,874.08 : 236,805.36 = 47,063.20 : x - Step 2: Convert to fraction form
157,874.08/236,805.36 = 47,063.20/x - Step 3: Cross multiply
157,874.08x = 236,805.36 × 47,063.20 - Step 4: Simplify right side
157,874.08x = 11,144,818,018.75 - Step 5: Solve for x
x = 11,144,818,018.75/157,874.08 - Step 6: Final answer
x = 70,593.08
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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.