Finding the Fourth Proportional to 343,768.99, 474,394.06 and 190,798.21
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Solution
The fourth proportional to 343,768.99, 474,394.06 and 190,798.21 is: 263,297.56
Step by Step Solution
- Step 1: Write the proportion equation
343,768.99 : 474,394.06 = 190,798.21 : x - Step 2: Convert to fraction form
343,768.99/474,394.06 = 190,798.21/x - Step 3: Cross multiply
343,768.99x = 474,394.06 × 190,798.21 - Step 4: Simplify right side
343,768.99x = 90,513,535,819.65 - Step 5: Solve for x
x = 90,513,535,819.65/343,768.99 - Step 6: Final answer
x = 263,297.56
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1.5x scale
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.