Finding the Fourth Proportional to 159,731.79, 239,572.27 and 53,106.88
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Solution
The fourth proportional to 159,731.79, 239,572.27 and 53,106.88 is: 79,651.87
Step by Step Solution
- Step 1: Write the proportion equation
159,731.79 : 239,572.27 = 53,106.88 : x - Step 2: Convert to fraction form
159,731.79/239,572.27 = 53,106.88/x - Step 3: Cross multiply
159,731.79x = 239,572.27 × 53,106.88 - Step 4: Simplify right side
159,731.79x = 12,722,935,794.22 - Step 5: Solve for x
x = 12,722,935,794.22/159,731.79 - Step 6: Final answer
x = 79,651.87
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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.