Finding the Fourth Proportional to 145,438.08, 218,161.88 and 40,248.24
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Solution
The fourth proportional to 145,438.08, 218,161.88 and 40,248.24 is: 60,373.68
Step by Step Solution
- Step 1: Write the proportion equation
145,438.08 : 218,161.88 = 40,248.24 : x - Step 2: Convert to fraction form
145,438.08/218,161.88 = 40,248.24/x - Step 3: Cross multiply
145,438.08x = 218,161.88 × 40,248.24 - Step 4: Simplify right side
145,438.08x = 8,780,631,705.09 - Step 5: Solve for x
x = 8,780,631,705.09/145,438.08 - Step 6: Final answer
x = 60,373.68
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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.