Finding the Fourth Proportional to 355,830.00, 491,030.94 and 212,668.98
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Solution
The fourth proportional to 355,830.00, 491,030.94 and 212,668.98 is: 293,474.55
Step by Step Solution
- Step 1: Write the proportion equation
355,830.00 : 491,030.94 = 212,668.98 : x - Step 2: Convert to fraction form
355,830.00/491,030.94 = 212,668.98/x - Step 3: Cross multiply
355,830.00x = 491,030.94 × 212,668.98 - Step 4: Simplify right side
355,830.00x = 104,427,048,114.38 - Step 5: Solve for x
x = 104,427,048,114.38/355,830.00 - Step 6: Final answer
x = 293,474.55
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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.