Finding the Fourth Proportional to 370,915.36, 556,416.72 and 118,107.36
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Solution
The fourth proportional to 370,915.36, 556,416.72 and 118,107.36 is: 177,174.95
Step by Step Solution
- Step 1: Write the proportion equation
370,915.36 : 556,416.72 = 118,107.36 : x - Step 2: Convert to fraction form
370,915.36/556,416.72 = 118,107.36/x - Step 3: Cross multiply
370,915.36x = 556,416.72 × 118,107.36 - Step 4: Simplify right side
370,915.36x = 65,716,909,859.06 - Step 5: Solve for x
x = 65,716,909,859.06/370,915.36 - Step 6: Final answer
x = 177,174.95
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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.