Finding the Fourth Proportional to 159,204.96, 219,704.67 and 91,220.58
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Solution
The fourth proportional to 159,204.96, 219,704.67 and 91,220.58 is: 125,885.45
Step by Step Solution
- Step 1: Write the proportion equation
159,204.96 : 219,704.67 = 91,220.58 : x - Step 2: Convert to fraction form
159,204.96/219,704.67 = 91,220.58/x - Step 3: Cross multiply
159,204.96x = 219,704.67 × 91,220.58 - Step 4: Simplify right side
159,204.96x = 20,041,587,426.11 - Step 5: Solve for x
x = 20,041,587,426.11/159,204.96 - Step 6: Final answer
x = 125,885.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.