Finding the Fourth Proportional to 418,914.60, 578,144.97 and 246,886.08
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Solution
The fourth proportional to 418,914.60, 578,144.97 and 246,886.08 is: 340,728.03
Step by Step Solution
- Step 1: Write the proportion equation
418,914.60 : 578,144.97 = 246,886.08 : x - Step 2: Convert to fraction form
418,914.60/578,144.97 = 246,886.08/x - Step 3: Cross multiply
418,914.60x = 578,144.97 × 246,886.08 - Step 4: Simplify right side
418,914.60x = 142,735,945,315.02 - Step 5: Solve for x
x = 142,735,945,315.02/418,914.60 - Step 6: Final answer
x = 340,728.03
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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.