Finding the Fourth Proportional to 444,138.88, 612,920.80 and 242,947.84
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Solution
The fourth proportional to 444,138.88, 612,920.80 and 242,947.84 is: 335,273.02
Step by Step Solution
- Step 1: Write the proportion equation
444,138.88 : 612,920.80 = 242,947.84 : x - Step 2: Convert to fraction form
444,138.88/612,920.80 = 242,947.84/x - Step 3: Cross multiply
444,138.88x = 612,920.80 × 242,947.84 - Step 4: Simplify right side
444,138.88x = 148,907,784,451.07 - Step 5: Solve for x
x = 148,907,784,451.07/444,138.88 - Step 6: Final answer
x = 335,273.02
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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.