Finding the Fourth Proportional to 234,929.74, 352,391.46 and 57,438.28
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Solution
The fourth proportional to 234,929.74, 352,391.46 and 57,438.28 is: 86,156.65
Step by Step Solution
- Step 1: Write the proportion equation
234,929.74 : 352,391.46 = 57,438.28 : x - Step 2: Convert to fraction form
234,929.74/352,391.46 = 57,438.28/x - Step 3: Cross multiply
234,929.74x = 352,391.46 × 57,438.28 - Step 4: Simplify right side
234,929.74x = 20,240,759,349.09 - Step 5: Solve for x
x = 20,240,759,349.09/234,929.74 - Step 6: Final answer
x = 86,156.65
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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.