Finding the Fourth Proportional to 628,769.60, 943,154.40 and 202,304.60
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Solution
The fourth proportional to 628,769.60, 943,154.40 and 202,304.60 is: 303,456.90
Step by Step Solution
- Step 1: Write the proportion equation
628,769.60 : 943,154.40 = 202,304.60 : x - Step 2: Convert to fraction form
628,769.60/943,154.40 = 202,304.60/x - Step 3: Cross multiply
628,769.60x = 943,154.40 × 202,304.60 - Step 4: Simplify right side
628,769.60x = 190,804,473,630.24 - Step 5: Solve for x
x = 190,804,473,630.24/628,769.60 - Step 6: Final answer
x = 303,456.90
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Similar ratio
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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.