Finding the Fourth Proportional to 114,423.27, 157,913.47 and 63,451.99
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Solution
The fourth proportional to 114,423.27, 157,913.47 and 63,451.99 is: 87,568.93
Step by Step Solution
- Step 1: Write the proportion equation
114,423.27 : 157,913.47 = 63,451.99 : x - Step 2: Convert to fraction form
114,423.27/157,913.47 = 63,451.99/x - Step 3: Cross multiply
114,423.27x = 157,913.47 × 63,451.99 - Step 4: Simplify right side
114,423.27x = 10,019,923,365.89 - Step 5: Solve for x
x = 10,019,923,365.89/114,423.27 - Step 6: Final answer
x = 87,568.93
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.