Finding the Fourth Proportional to 157,219.70, 235,829.55 and 44,899.70
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Solution
The fourth proportional to 157,219.70, 235,829.55 and 44,899.70 is: 67,349.55
Step by Step Solution
- Step 1: Write the proportion equation
157,219.70 : 235,829.55 = 44,899.70 : x - Step 2: Convert to fraction form
157,219.70/235,829.55 = 44,899.70/x - Step 3: Cross multiply
157,219.70x = 235,829.55 × 44,899.70 - Step 4: Simplify right side
157,219.70x = 10,588,676,046.14 - Step 5: Solve for x
x = 10,588,676,046.14/157,219.70 - Step 6: Final answer
x = 67,349.55
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1.5x scale
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.