Finding the Fourth Proportional to 446,273.76, 615,857.76 and 242,323.68
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Solution
The fourth proportional to 446,273.76, 615,857.76 and 242,323.68 is: 334,406.66
Step by Step Solution
- Step 1: Write the proportion equation
446,273.76 : 615,857.76 = 242,323.68 : x - Step 2: Convert to fraction form
446,273.76/615,857.76 = 242,323.68/x - Step 3: Cross multiply
446,273.76x = 615,857.76 × 242,323.68 - Step 4: Simplify right side
446,273.76x = 149,236,918,759.76 - Step 5: Solve for x
x = 149,236,918,759.76/446,273.76 - Step 6: Final answer
x = 334,406.66
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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.