Finding the Fourth Proportional to 145,593.74, 218,391.83 and 40,420.91
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Solution
The fourth proportional to 145,593.74, 218,391.83 and 40,420.91 is: 60,631.70
Step by Step Solution
- Step 1: Write the proportion equation
145,593.74 : 218,391.83 = 40,420.91 : x - Step 2: Convert to fraction form
145,593.74/218,391.83 = 40,420.91/x - Step 3: Cross multiply
145,593.74x = 218,391.83 × 40,420.91 - Step 4: Simplify right side
145,593.74x = 8,827,595,211.10 - Step 5: Solve for x
x = 8,827,595,211.10/145,593.74 - Step 6: Final answer
x = 60,631.70
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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.