Finding the Fourth Proportional to 159,489.82, 239,281.51 and 47,172.99
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Solution
The fourth proportional to 159,489.82, 239,281.51 and 47,172.99 is: 70,773.32
Step by Step Solution
- Step 1: Write the proportion equation
159,489.82 : 239,281.51 = 47,172.99 : x - Step 2: Convert to fraction form
159,489.82/239,281.51 = 47,172.99/x - Step 3: Cross multiply
159,489.82x = 239,281.51 × 47,172.99 - Step 4: Simplify right side
159,489.82x = 11,287,624,278.41 - Step 5: Solve for x
x = 11,287,624,278.41/159,489.82 - Step 6: Final answer
x = 70,773.32
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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.