Finding the Fourth Proportional to 292,762.14, 403,992.99 and 163,711.25
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Solution
The fourth proportional to 292,762.14, 403,992.99 and 163,711.25 is: 225,911.03
Step by Step Solution
- Step 1: Write the proportion equation
292,762.14 : 403,992.99 = 163,711.25 : x - Step 2: Convert to fraction form
292,762.14/403,992.99 = 163,711.25/x - Step 3: Cross multiply
292,762.14x = 403,992.99 × 163,711.25 - Step 4: Simplify right side
292,762.14x = 66,138,197,384.14 - Step 5: Solve for x
x = 66,138,197,384.14/292,762.14 - Step 6: Final answer
x = 225,911.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.