Finding the Fourth Proportional to 235,490.60, 353,186.43 and 77,682.08
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Solution
The fourth proportional to 235,490.60, 353,186.43 and 77,682.08 is: 116,506.80
Step by Step Solution
- Step 1: Write the proportion equation
235,490.60 : 353,186.43 = 77,682.08 : x - Step 2: Convert to fraction form
235,490.60/353,186.43 = 77,682.08/x - Step 3: Cross multiply
235,490.60x = 353,186.43 × 77,682.08 - Step 4: Simplify right side
235,490.60x = 27,436,254,744.24 - Step 5: Solve for x
x = 27,436,254,744.24/235,490.60 - Step 6: Final answer
x = 116,506.80
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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.