Finding the Fourth Proportional to 113,946.71, 157,243.17 and 62,958.44
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Solution
The fourth proportional to 113,946.71, 157,243.17 and 62,958.44 is: 86,880.83
Step by Step Solution
- Step 1: Write the proportion equation
113,946.71 : 157,243.17 = 62,958.44 : x - Step 2: Convert to fraction form
113,946.71/157,243.17 = 62,958.44/x - Step 3: Cross multiply
113,946.71x = 157,243.17 × 62,958.44 - Step 4: Simplify right side
113,946.71x = 9,899,784,683.85 - Step 5: Solve for x
x = 9,899,784,683.85/113,946.71 - Step 6: Final answer
x = 86,880.83
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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.