Finding the Fourth Proportional to 292,285.10, 438,427.65 and 114,733.10
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Solution
The fourth proportional to 292,285.10, 438,427.65 and 114,733.10 is: 172,099.65
Step by Step Solution
- Step 1: Write the proportion equation
292,285.10 : 438,427.65 = 114,733.10 : x - Step 2: Convert to fraction form
292,285.10/438,427.65 = 114,733.10/x - Step 3: Cross multiply
292,285.10x = 438,427.65 × 114,733.10 - Step 4: Simplify right side
292,285.10x = 50,302,163,410.22 - Step 5: Solve for x
x = 50,302,163,410.22/292,285.10 - Step 6: Final answer
x = 172,099.65
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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.