Finding the Fourth Proportional to 373,109.79, 514,893.26 and 211,973.68
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Solution
The fourth proportional to 373,109.79, 514,893.26 and 211,973.68 is: 292,524.67
Step by Step Solution
- Step 1: Write the proportion equation
373,109.79 : 514,893.26 = 211,973.68 : x - Step 2: Convert to fraction form
373,109.79/514,893.26 = 211,973.68/x - Step 3: Cross multiply
373,109.79x = 514,893.26 × 211,973.68 - Step 4: Simplify right side
373,109.79x = 109,143,818,372.10 - Step 5: Solve for x
x = 109,143,818,372.10/373,109.79 - Step 6: Final answer
x = 292,524.67
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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.