Finding the Fourth Proportional to 330,351.65, 455,844.63 and 201,243.28
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Solution
The fourth proportional to 330,351.65, 455,844.63 and 201,243.28 is: 277,690.96
Step by Step Solution
- Step 1: Write the proportion equation
330,351.65 : 455,844.63 = 201,243.28 : x - Step 2: Convert to fraction form
330,351.65/455,844.63 = 201,243.28/x - Step 3: Cross multiply
330,351.65x = 455,844.63 × 201,243.28 - Step 4: Simplify right side
330,351.65x = 91,735,667,349.15 - Step 5: Solve for x
x = 91,735,667,349.15/330,351.65 - Step 6: Final answer
x = 277,690.96
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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.