Finding the Fourth Proportional to 401,393.14, 602,012.97 and 201,658.18
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Solution
The fourth proportional to 401,393.14, 602,012.97 and 201,658.18 is: 302,448.72
Step by Step Solution
- Step 1: Write the proportion equation
401,393.14 : 602,012.97 = 201,658.18 : x - Step 2: Convert to fraction form
401,393.14/602,012.97 = 201,658.18/x - Step 3: Cross multiply
401,393.14x = 602,012.97 × 201,658.18 - Step 4: Simplify right side
401,393.14x = 121,400,839,866.60 - Step 5: Solve for x
x = 121,400,839,866.60/401,393.14 - Step 6: Final answer
x = 302,448.72
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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.