Finding the Fourth Proportional to 561,931.09, 843,108.99 and 337,448.03
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Solution
The fourth proportional to 561,931.09, 843,108.99 and 337,448.03 is: 506,299.57
Step by Step Solution
- Step 1: Write the proportion equation
561,931.09 : 843,108.99 = 337,448.03 : x - Step 2: Convert to fraction form
561,931.09/843,108.99 = 337,448.03/x - Step 3: Cross multiply
561,931.09x = 843,108.99 × 337,448.03 - Step 4: Simplify right side
561,931.09x = 284,505,467,750.79 - Step 5: Solve for x
x = 284,505,467,750.79/561,931.09 - Step 6: Final answer
x = 506,299.57
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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.