Finding the Fourth Proportional to 370,937.90, 556,450.41 and 118,129.88
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Solution
The fourth proportional to 370,937.90, 556,450.41 and 118,129.88 is: 177,208.69
Step by Step Solution
- Step 1: Write the proportion equation
370,937.90 : 556,450.41 = 118,129.88 : x - Step 2: Convert to fraction form
370,937.90/556,450.41 = 118,129.88/x - Step 3: Cross multiply
370,937.90x = 556,450.41 × 118,129.88 - Step 4: Simplify right side
370,937.90x = 65,733,420,159.25 - Step 5: Solve for x
x = 65,733,420,159.25/370,937.90 - Step 6: Final answer
x = 177,208.69
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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.