Finding the Fourth Proportional to 310,278.09, 427,899.46 and 201,268.90
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Solution
The fourth proportional to 310,278.09, 427,899.46 and 201,268.90 is: 277,566.66
Step by Step Solution
- Step 1: Write the proportion equation
310,278.09 : 427,899.46 = 201,268.90 : x - Step 2: Convert to fraction form
310,278.09/427,899.46 = 201,268.90/x - Step 3: Cross multiply
310,278.09x = 427,899.46 × 201,268.90 - Step 4: Simplify right side
310,278.09x = 86,122,854,033.88 - Step 5: Solve for x
x = 86,122,854,033.88/310,278.09 - Step 6: Final answer
x = 277,566.66
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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.