Finding the Fourth Proportional to 159,715.53, 239,521.46 and 53,070.83
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Solution
The fourth proportional to 159,715.53, 239,521.46 and 53,070.83 is: 79,589.02
Step by Step Solution
- Step 1: Write the proportion equation
159,715.53 : 239,521.46 = 53,070.83 : x - Step 2: Convert to fraction form
159,715.53/239,521.46 = 53,070.83/x - Step 3: Cross multiply
159,715.53x = 239,521.46 × 53,070.83 - Step 4: Simplify right side
159,715.53x = 12,711,602,120.26 - Step 5: Solve for x
x = 12,711,602,120.26/159,715.53 - Step 6: Final answer
x = 79,589.02
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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.