Finding the Fourth Proportional to 159,495.57, 239,290.16 and 47,178.77
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Solution
The fourth proportional to 159,495.57, 239,290.16 and 47,178.77 is: 70,781.99
Step by Step Solution
- Step 1: Write the proportion equation
159,495.57 : 239,290.16 = 47,178.77 : x - Step 2: Convert to fraction form
159,495.57/239,290.16 = 47,178.77/x - Step 3: Cross multiply
159,495.57x = 239,290.16 × 47,178.77 - Step 4: Simplify right side
159,495.57x = 11,289,413,989.56 - Step 5: Solve for x
x = 11,289,413,989.56/159,495.57 - Step 6: Final answer
x = 70,781.99
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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.