Finding the Fourth Proportional to 292,450.60, 438,293.70 and 211,669.63
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Solution
The fourth proportional to 292,450.60, 438,293.70 and 211,669.63 is: 317,227.81
Step by Step Solution
- Step 1: Write the proportion equation
292,450.60 : 438,293.70 = 211,669.63 : x - Step 2: Convert to fraction form
292,450.60/438,293.70 = 211,669.63/x - Step 3: Cross multiply
292,450.60x = 438,293.70 × 211,669.63 - Step 4: Simplify right side
292,450.60x = 92,773,463,118.86 - Step 5: Solve for x
x = 92,773,463,118.86/292,450.60 - Step 6: Final answer
x = 317,227.81
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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.