Finding the Fourth Proportional to 153,760.79, 230,639.81 and 48,579.75
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Solution
The fourth proportional to 153,760.79, 230,639.81 and 48,579.75 is: 72,869.19
Step by Step Solution
- Step 1: Write the proportion equation
153,760.79 : 230,639.81 = 48,579.75 : x - Step 2: Convert to fraction form
153,760.79/230,639.81 = 48,579.75/x - Step 3: Cross multiply
153,760.79x = 230,639.81 × 48,579.75 - Step 4: Simplify right side
153,760.79x = 11,204,424,066.95 - Step 5: Solve for x
x = 11,204,424,066.95/153,760.79 - Step 6: Final answer
x = 72,869.19
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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.