Finding the Fourth Proportional to 367,423.24, 551,257.50 and 142,790.80
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Solution
The fourth proportional to 367,423.24, 551,257.50 and 142,790.80 is: 214,233.86
Step by Step Solution
- Step 1: Write the proportion equation
367,423.24 : 551,257.50 = 142,790.80 : x - Step 2: Convert to fraction form
367,423.24/551,257.50 = 142,790.80/x - Step 3: Cross multiply
367,423.24x = 551,257.50 × 142,790.80 - Step 4: Simplify right side
367,423.24x = 78,714,499,431 - Step 5: Solve for x
x = 78,714,499,431/367,423.24 - Step 6: Final answer
x = 214,233.86
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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.