Finding the Fourth Proportional to 243,006.08, 364,506.88 and 76,794.08
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Solution
The fourth proportional to 243,006.08, 364,506.88 and 76,794.08 is: 115,190.41
Step by Step Solution
- Step 1: Write the proportion equation
243,006.08 : 364,506.88 = 76,794.08 : x - Step 2: Convert to fraction form
243,006.08/364,506.88 = 76,794.08/x - Step 3: Cross multiply
243,006.08x = 364,506.88 × 76,794.08 - Step 4: Simplify right side
243,006.08x = 27,991,970,503.27 - Step 5: Solve for x
x = 27,991,970,503.27/243,006.08 - Step 6: Final answer
x = 115,190.41
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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.