Finding the Fourth Proportional to 291,271.27, 401,928.73 and 162,199.99
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Solution
The fourth proportional to 291,271.27, 401,928.73 and 162,199.99 is: 223,821.72
Step by Step Solution
- Step 1: Write the proportion equation
291,271.27 : 401,928.73 = 162,199.99 : x - Step 2: Convert to fraction form
291,271.27/401,928.73 = 162,199.99/x - Step 3: Cross multiply
291,271.27x = 401,928.73 × 162,199.99 - Step 4: Simplify right side
291,271.27x = 65,192,835,986.71 - Step 5: Solve for x
x = 65,192,835,986.71/291,271.27 - Step 6: Final answer
x = 223,821.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.