Finding the Fourth Proportional to 316,847.75, 475,271.19 and 106,633.31
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Solution
The fourth proportional to 316,847.75, 475,271.19 and 106,633.31 is: 159,949.81
Step by Step Solution
- Step 1: Write the proportion equation
316,847.75 : 475,271.19 = 106,633.31 : x - Step 2: Convert to fraction form
316,847.75/475,271.19 = 106,633.31/x - Step 3: Cross multiply
316,847.75x = 475,271.19 × 106,633.31 - Step 4: Simplify right side
316,847.75x = 50,679,737,760.98 - Step 5: Solve for x
x = 50,679,737,760.98/316,847.75 - Step 6: Final answer
x = 159,949.81
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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.