Finding the Fourth Proportional to 152,851.36, 229,063.46 and 130,243.99
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Solution
The fourth proportional to 152,851.36, 229,063.46 and 130,243.99 is: 195,183.99
Step by Step Solution
- Step 1: Write the proportion equation
152,851.36 : 229,063.46 = 130,243.99 : x - Step 2: Convert to fraction form
152,851.36/229,063.46 = 130,243.99/x - Step 3: Cross multiply
152,851.36x = 229,063.46 × 130,243.99 - Step 4: Simplify right side
152,851.36x = 29,834,137,848.29 - Step 5: Solve for x
x = 29,834,137,848.29/152,851.36 - Step 6: Final answer
x = 195,183.99
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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.