Finding the Fourth Proportional to 145,418.99, 218,133.35 and 40,229.15
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Solution
The fourth proportional to 145,418.99, 218,133.35 and 40,229.15 is: 60,345.07
Step by Step Solution
- Step 1: Write the proportion equation
145,418.99 : 218,133.35 = 40,229.15 : x - Step 2: Convert to fraction form
145,418.99/218,133.35 = 40,229.15/x - Step 3: Cross multiply
145,418.99x = 218,133.35 × 40,229.15 - Step 4: Simplify right side
145,418.99x = 8,775,319,257.15 - Step 5: Solve for x
x = 8,775,319,257.15/145,418.99 - Step 6: Final answer
x = 60,345.07
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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.