Finding the Fourth Proportional to 159,495.77, 239,290.44 and 47,178.95
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Solution
The fourth proportional to 159,495.77, 239,290.44 and 47,178.95 is: 70,782.26
Step by Step Solution
- Step 1: Write the proportion equation
159,495.77 : 239,290.44 = 47,178.95 : x - Step 2: Convert to fraction form
159,495.77/239,290.44 = 47,178.95/x - Step 3: Cross multiply
159,495.77x = 239,290.44 × 47,178.95 - Step 4: Simplify right side
159,495.77x = 11,289,471,704.24 - Step 5: Solve for x
x = 11,289,471,704.24/159,495.77 - Step 6: Final answer
x = 70,782.26
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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.