Finding the Fourth Proportional to 292,313.91, 438,483.06 and 92,629.88
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Solution
The fourth proportional to 292,313.91, 438,483.06 and 92,629.88 is: 138,948.68
Step by Step Solution
- Step 1: Write the proportion equation
292,313.91 : 438,483.06 = 92,629.88 : x - Step 2: Convert to fraction form
292,313.91/438,483.06 = 92,629.88/x - Step 3: Cross multiply
292,313.91x = 438,483.06 × 92,629.88 - Step 4: Simplify right side
292,313.91x = 40,616,631,037.42 - Step 5: Solve for x
x = 40,616,631,037.42/292,313.91 - Step 6: Final answer
x = 138,948.68
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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.