Finding the Fourth Proportional to 355,855.20, 533,802.24 and 119,176.44
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Solution
The fourth proportional to 355,855.20, 533,802.24 and 119,176.44 is: 178,771.17
Step by Step Solution
- Step 1: Write the proportion equation
355,855.20 : 533,802.24 = 119,176.44 : x - Step 2: Convert to fraction form
355,855.20/533,802.24 = 119,176.44/x - Step 3: Cross multiply
355,855.20x = 533,802.24 × 119,176.44 - Step 4: Simplify right side
355,855.20x = 63,616,650,627.23 - Step 5: Solve for x
x = 63,616,650,627.23/355,855.20 - Step 6: Final answer
x = 178,771.17
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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.