Finding the Fourth Proportional to 159,551.20, 239,326.80 and 97,343.20
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Solution
The fourth proportional to 159,551.20, 239,326.80 and 97,343.20 is: 146,014.80
Step by Step Solution
- Step 1: Write the proportion equation
159,551.20 : 239,326.80 = 97,343.20 : x - Step 2: Convert to fraction form
159,551.20/239,326.80 = 97,343.20/x - Step 3: Cross multiply
159,551.20x = 239,326.80 × 97,343.20 - Step 4: Simplify right side
159,551.20x = 23,296,836,557.76 - Step 5: Solve for x
x = 23,296,836,557.76/159,551.20 - Step 6: Final answer
x = 146,014.80
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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.