Finding the Fourth Proportional to 145,370.58, 218,059.97 and 40,189.55
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Solution
The fourth proportional to 145,370.58, 218,059.97 and 40,189.55 is: 60,285.45
Step by Step Solution
- Step 1: Write the proportion equation
145,370.58 : 218,059.97 = 40,189.55 : x - Step 2: Convert to fraction form
145,370.58/218,059.97 = 40,189.55/x - Step 3: Cross multiply
145,370.58x = 218,059.97 × 40,189.55 - Step 4: Simplify right side
145,370.58x = 8,763,730,776.07 - Step 5: Solve for x
x = 8,763,730,776.07/145,370.58 - Step 6: Final answer
x = 60,285.45
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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.