Finding the Fourth Proportional to 423,114.10, 583,912.60 and 232,133.02
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Solution
The fourth proportional to 423,114.10, 583,912.60 and 232,133.02 is: 320,351.87
Step by Step Solution
- Step 1: Write the proportion equation
423,114.10 : 583,912.60 = 232,133.02 : x - Step 2: Convert to fraction form
423,114.10/583,912.60 = 232,133.02/x - Step 3: Cross multiply
423,114.10x = 583,912.60 × 232,133.02 - Step 4: Simplify right side
423,114.10x = 135,545,395,254.05 - Step 5: Solve for x
x = 135,545,395,254.05/423,114.10 - Step 6: Final answer
x = 320,351.87
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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.