Finding the Fourth Proportional to 231,564.87, 347,298.71 and 65,313.99
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Solution
The fourth proportional to 231,564.87, 347,298.71 and 65,313.99 is: 97,957.28
Step by Step Solution
- Step 1: Write the proportion equation
231,564.87 : 347,298.71 = 65,313.99 : x - Step 2: Convert to fraction form
231,564.87/347,298.71 = 65,313.99/x - Step 3: Cross multiply
231,564.87x = 347,298.71 × 65,313.99 - Step 4: Simplify right side
231,564.87x = 22,683,464,145.38 - Step 5: Solve for x
x = 22,683,464,145.38/231,564.87 - Step 6: Final answer
x = 97,957.28
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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.