Finding the Fourth Proportional to 159,957.94, 239,728.76 and 65,077.53
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Solution
The fourth proportional to 159,957.94, 239,728.76 and 65,077.53 is: 97,531.61
Step by Step Solution
- Step 1: Write the proportion equation
159,957.94 : 239,728.76 = 65,077.53 : x - Step 2: Convert to fraction form
159,957.94/239,728.76 = 65,077.53/x - Step 3: Cross multiply
159,957.94x = 239,728.76 × 65,077.53 - Step 4: Simplify right side
159,957.94x = 15,600,954,956.49 - Step 5: Solve for x
x = 15,600,954,956.49/159,957.94 - Step 6: Final answer
x = 97,531.61
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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.