Finding the Fourth Proportional to 143,130.04, 214,793.44 and 49,635.79
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Solution
The fourth proportional to 143,130.04, 214,793.44 and 49,635.79 is: 74,487.80
Step by Step Solution
- Step 1: Write the proportion equation
143,130.04 : 214,793.44 = 49,635.79 : x - Step 2: Convert to fraction form
143,130.04/214,793.44 = 49,635.79/x - Step 3: Cross multiply
143,130.04x = 214,793.44 × 49,635.79 - Step 4: Simplify right side
143,130.04x = 10,661,441,420.14 - Step 5: Solve for x
x = 10,661,441,420.14/143,130.04 - Step 6: Final answer
x = 74,487.80
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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.