Finding the Fourth Proportional to 127,953.70, 191,930.55 and 44,847.70
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Solution
The fourth proportional to 127,953.70, 191,930.55 and 44,847.70 is: 67,271.55
Step by Step Solution
- Step 1: Write the proportion equation
127,953.70 : 191,930.55 = 44,847.70 : x - Step 2: Convert to fraction form
127,953.70/191,930.55 = 44,847.70/x - Step 3: Cross multiply
127,953.70x = 191,930.55 × 44,847.70 - Step 4: Simplify right side
127,953.70x = 8,607,643,727.24 - Step 5: Solve for x
x = 8,607,643,727.24/127,953.70 - Step 6: Final answer
x = 67,271.55
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1.5x scale
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.