Finding the Fourth Proportional to 145,383.79, 218,130.38 and 50,621.08
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Solution
The fourth proportional to 145,383.79, 218,130.38 and 50,621.08 is: 75,950.66
Step by Step Solution
- Step 1: Write the proportion equation
145,383.79 : 218,130.38 = 50,621.08 : x - Step 2: Convert to fraction form
145,383.79/218,130.38 = 50,621.08/x - Step 3: Cross multiply
145,383.79x = 218,130.38 × 50,621.08 - Step 4: Simplify right side
145,383.79x = 11,041,994,072.65 - Step 5: Solve for x
x = 11,041,994,072.65/145,383.79 - Step 6: Final answer
x = 75,950.66
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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.