Finding the Fourth Proportional to 460,841.58, 691,262.46 and 145,323.18
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Solution
The fourth proportional to 460,841.58, 691,262.46 and 145,323.18 is: 217,984.80
Step by Step Solution
- Step 1: Write the proportion equation
460,841.58 : 691,262.46 = 145,323.18 : x - Step 2: Convert to fraction form
460,841.58/691,262.46 = 145,323.18/x - Step 3: Cross multiply
460,841.58x = 691,262.46 × 145,323.18 - Step 4: Simplify right side
460,841.58x = 100,456,458,901.82 - Step 5: Solve for x
x = 100,456,458,901.82/460,841.58 - Step 6: Final answer
x = 217,984.80
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1.5x scale
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.