Finding the Fourth Proportional to 438,524.97, 605,164.47 and 237,320.97
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Solution
The fourth proportional to 438,524.97, 605,164.47 and 237,320.97 is: 327,502.94
Step by Step Solution
- Step 1: Write the proportion equation
438,524.97 : 605,164.47 = 237,320.97 : x - Step 2: Convert to fraction form
438,524.97/605,164.47 = 237,320.97/x - Step 3: Cross multiply
438,524.97x = 605,164.47 × 237,320.97 - Step 4: Simplify right side
438,524.97x = 143,618,219,029.94 - Step 5: Solve for x
x = 143,618,219,029.94/438,524.97 - Step 6: Final answer
x = 327,502.94
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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.