Finding the Fourth Proportional to 134,543.70, 201,815.55 and 131,627.70
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Solution
The fourth proportional to 134,543.70, 201,815.55 and 131,627.70 is: 197,441.55
Step by Step Solution
- Step 1: Write the proportion equation
134,543.70 : 201,815.55 = 131,627.70 : x - Step 2: Convert to fraction form
134,543.70/201,815.55 = 131,627.70/x - Step 3: Cross multiply
134,543.70x = 201,815.55 × 131,627.70 - Step 4: Simplify right side
134,543.70x = 26,564,516,670.74 - Step 5: Solve for x
x = 26,564,516,670.74/134,543.70 - Step 6: Final answer
x = 197,441.55
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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.