Finding the Fourth Proportional to 278,323.62, 384,105.62 and 157,464.88
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Solution
The fourth proportional to 278,323.62, 384,105.62 and 157,464.88 is: 217,312.30
Step by Step Solution
- Step 1: Write the proportion equation
278,323.62 : 384,105.62 = 157,464.88 : x - Step 2: Convert to fraction form
278,323.62/384,105.62 = 157,464.88/x - Step 3: Cross multiply
278,323.62x = 384,105.62 × 157,464.88 - Step 4: Simplify right side
278,323.62x = 60,483,145,360.63 - Step 5: Solve for x
x = 60,483,145,360.63/278,323.62 - Step 6: Final answer
x = 217,312.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.