Finding the Fourth Proportional to 368,808.80, 553,213.20 and 244,149.80
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Solution
The fourth proportional to 368,808.80, 553,213.20 and 244,149.80 is: 366,224.70
Step by Step Solution
- Step 1: Write the proportion equation
368,808.80 : 553,213.20 = 244,149.80 : x - Step 2: Convert to fraction form
368,808.80/553,213.20 = 244,149.80/x - Step 3: Cross multiply
368,808.80x = 553,213.20 × 244,149.80 - Step 4: Simplify right side
368,808.80x = 135,066,892,137.36 - Step 5: Solve for x
x = 135,066,892,137.36/368,808.80 - Step 6: Final answer
x = 366,224.70
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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.