Finding the Fourth Proportional to 157,348.44, 235,894.55 and 73,161.63
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Solution
The fourth proportional to 157,348.44, 235,894.55 and 73,161.63 is: 109,682.88
Step by Step Solution
- Step 1: Write the proportion equation
157,348.44 : 235,894.55 = 73,161.63 : x - Step 2: Convert to fraction form
157,348.44/235,894.55 = 73,161.63/x - Step 3: Cross multiply
157,348.44x = 235,894.55 × 73,161.63 - Step 4: Simplify right side
157,348.44x = 17,258,429,420.31 - Step 5: Solve for x
x = 17,258,429,420.31/157,348.44 - Step 6: Final answer
x = 109,682.88
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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.