Finding the Fourth Proportional to 157,432.90, 236,149.35 and 101,445.70
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Solution
The fourth proportional to 157,432.90, 236,149.35 and 101,445.70 is: 152,168.55
Step by Step Solution
- Step 1: Write the proportion equation
157,432.90 : 236,149.35 = 101,445.70 : x - Step 2: Convert to fraction form
157,432.90/236,149.35 = 101,445.70/x - Step 3: Cross multiply
157,432.90x = 236,149.35 × 101,445.70 - Step 4: Simplify right side
157,432.90x = 23,956,336,115.30 - Step 5: Solve for x
x = 23,956,336,115.30/157,432.90 - Step 6: Final answer
x = 152,168.55
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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.