Finding the Fourth Proportional to 547,542.24, 755,637.81 and 305,830.14
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Solution
The fourth proportional to 547,542.24, 755,637.81 and 305,830.14 is: 422,062.08
Step by Step Solution
- Step 1: Write the proportion equation
547,542.24 : 755,637.81 = 305,830.14 : x - Step 2: Convert to fraction form
547,542.24/755,637.81 = 305,830.14/x - Step 3: Cross multiply
547,542.24x = 755,637.81 × 305,830.14 - Step 4: Simplify right side
547,542.24x = 231,096,817,221.59 - Step 5: Solve for x
x = 231,096,817,221.59/547,542.24 - Step 6: Final answer
x = 422,062.08
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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.