Finding the Fourth Proportional to 423,629.15, 584,586.99 and 239,839.11
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Solution
The fourth proportional to 423,629.15, 584,586.99 and 239,839.11 is: 330,965.95
Step by Step Solution
- Step 1: Write the proportion equation
423,629.15 : 584,586.99 = 239,839.11 : x - Step 2: Convert to fraction form
423,629.15/584,586.99 = 239,839.11/x - Step 3: Cross multiply
423,629.15x = 584,586.99 × 239,839.11 - Step 4: Simplify right side
423,629.15x = 140,206,823,399.18 - Step 5: Solve for x
x = 140,206,823,399.18/423,629.15 - Step 6: Final answer
x = 330,965.95
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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.