Finding the Fourth Proportional to 982,235.62, 1,473,207.63 and 272,189.62
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Solution
The fourth proportional to 982,235.62, 1,473,207.63 and 272,189.62 is: 408,244.03
Step by Step Solution
- Step 1: Write the proportion equation
982,235.62 : 1,473,207.63 = 272,189.62 : x - Step 2: Convert to fraction form
982,235.62/1,473,207.63 = 272,189.62/x - Step 3: Cross multiply
982,235.62x = 1,473,207.63 × 272,189.62 - Step 4: Simplify right side
982,235.62x = 400,991,824,990.80 - Step 5: Solve for x
x = 400,991,824,990.80/982,235.62 - Step 6: Final answer
x = 408,244.03
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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.