Finding the Fourth Proportional to 213,497.99, 320,252.62 and 93,493.20
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Solution
The fourth proportional to 213,497.99, 320,252.62 and 93,493.20 is: 140,242.27
Step by Step Solution
- Step 1: Write the proportion equation
213,497.99 : 320,252.62 = 93,493.20 : x - Step 2: Convert to fraction form
213,497.99/320,252.62 = 93,493.20/x - Step 3: Cross multiply
213,497.99x = 320,252.62 × 93,493.20 - Step 4: Simplify right side
213,497.99x = 29,941,442,252.18 - Step 5: Solve for x
x = 29,941,442,252.18/213,497.99 - Step 6: Final answer
x = 140,242.27
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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.