Finding the Fourth Proportional to 624,982.60, 937,475.04 and 225,905.12
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Solution
The fourth proportional to 624,982.60, 937,475.04 and 225,905.12 is: 338,858.09
Step by Step Solution
- Step 1: Write the proportion equation
624,982.60 : 937,475.04 = 225,905.12 : x - Step 2: Convert to fraction form
624,982.60/937,475.04 = 225,905.12/x - Step 3: Cross multiply
624,982.60x = 937,475.04 × 225,905.12 - Step 4: Simplify right side
624,982.60x = 211,780,411,408.21 - Step 5: Solve for x
x = 211,780,411,408.21/624,982.60 - Step 6: Final answer
x = 338,858.09
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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.