Finding the Fourth Proportional to 547,727.80, 821,591.70 and 153,743.80
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Solution
The fourth proportional to 547,727.80, 821,591.70 and 153,743.80 is: 230,615.70
Step by Step Solution
- Step 1: Write the proportion equation
547,727.80 : 821,591.70 = 153,743.80 : x - Step 2: Convert to fraction form
547,727.80/821,591.70 = 153,743.80/x - Step 3: Cross multiply
547,727.80x = 821,591.70 × 153,743.80 - Step 4: Simplify right side
547,727.80x = 126,314,630,006.46 - Step 5: Solve for x
x = 126,314,630,006.46/547,727.80 - Step 6: Final answer
x = 230,615.70
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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.