Finding the Fourth Proportional to 291,270.27, 401,927.35 and 162,198.99
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Solution
The fourth proportional to 291,270.27, 401,927.35 and 162,198.99 is: 223,820.34
Step by Step Solution
- Step 1: Write the proportion equation
291,270.27 : 401,927.35 = 162,198.99 : x - Step 2: Convert to fraction form
291,270.27/401,927.35 = 162,198.99/x - Step 3: Cross multiply
291,270.27x = 401,927.35 × 162,198.99 - Step 4: Simplify right side
291,270.27x = 65,192,210,223.38 - Step 5: Solve for x
x = 65,192,210,223.38/291,270.27 - Step 6: Final answer
x = 223,820.34
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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.