Finding the Fourth Proportional to 145,712.99, 218,550.34 and 45,873.70
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Solution
The fourth proportional to 145,712.99, 218,550.34 and 45,873.70 is: 68,804.52
Step by Step Solution
- Step 1: Write the proportion equation
145,712.99 : 218,550.34 = 45,873.70 : x - Step 2: Convert to fraction form
145,712.99/218,550.34 = 45,873.70/x - Step 3: Cross multiply
145,712.99x = 218,550.34 × 45,873.70 - Step 4: Simplify right side
145,712.99x = 10,025,712,502.69 - Step 5: Solve for x
x = 10,025,712,502.69/145,712.99 - Step 6: Final answer
x = 68,804.52
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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.