Finding the Fourth Proportional to 268,177.13, 402,259.46 and 135,021.63
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Solution
The fourth proportional to 268,177.13, 402,259.46 and 135,021.63 is: 202,529.31
Step by Step Solution
- Step 1: Write the proportion equation
268,177.13 : 402,259.46 = 135,021.63 : x - Step 2: Convert to fraction form
268,177.13/402,259.46 = 135,021.63/x - Step 3: Cross multiply
268,177.13x = 402,259.46 × 135,021.63 - Step 4: Simplify right side
268,177.13x = 54,313,727,297.01 - Step 5: Solve for x
x = 54,313,727,297.01/268,177.13 - Step 6: Final answer
x = 202,529.31
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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.