Finding the Fourth Proportional to 317,968.39, 477,000.99 and 197,928.21
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Solution
The fourth proportional to 317,968.39, 477,000.99 and 197,928.21 is: 296,922.45
Step by Step Solution
- Step 1: Write the proportion equation
317,968.39 : 477,000.99 = 197,928.21 : x - Step 2: Convert to fraction form
317,968.39/477,000.99 = 197,928.21/x - Step 3: Cross multiply
317,968.39x = 477,000.99 × 197,928.21 - Step 4: Simplify right side
317,968.39x = 94,411,950,946.21 - Step 5: Solve for x
x = 94,411,950,946.21/317,968.39 - Step 6: Final answer
x = 296,922.45
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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.