Finding the Fourth Proportional to 145,593.24, 218,391.07 and 40,420.41
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Solution
The fourth proportional to 145,593.24, 218,391.07 and 40,420.41 is: 60,630.95
Step by Step Solution
- Step 1: Write the proportion equation
145,593.24 : 218,391.07 = 40,420.41 : x - Step 2: Convert to fraction form
145,593.24/218,391.07 = 40,420.41/x - Step 3: Cross multiply
145,593.24x = 218,391.07 × 40,420.41 - Step 4: Simplify right side
145,593.24x = 8,827,456,589.74 - Step 5: Solve for x
x = 8,827,456,589.74/145,593.24 - Step 6: Final answer
x = 60,630.95
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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.