Finding the Fourth Proportional to 157,170.77, 235,756.35 and 38,840.30
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Solution
The fourth proportional to 157,170.77, 235,756.35 and 38,840.30 is: 58,260.50
Step by Step Solution
- Step 1: Write the proportion equation
157,170.77 : 235,756.35 = 38,840.30 : x - Step 2: Convert to fraction form
157,170.77/235,756.35 = 38,840.30/x - Step 3: Cross multiply
157,170.77x = 235,756.35 × 38,840.30 - Step 4: Simplify right side
157,170.77x = 9,156,847,360.91 - Step 5: Solve for x
x = 9,156,847,360.91/157,170.77 - Step 6: Final answer
x = 58,260.50
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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.