Finding the Fourth Proportional to 279,673.03, 419,184.07 and 159,813.99
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Solution
The fourth proportional to 279,673.03, 419,184.07 and 159,813.99 is: 239,535.00
Step by Step Solution
- Step 1: Write the proportion equation
279,673.03 : 419,184.07 = 159,813.99 : x - Step 2: Convert to fraction form
279,673.03/419,184.07 = 159,813.99/x - Step 3: Cross multiply
279,673.03x = 419,184.07 × 159,813.99 - Step 4: Simplify right side
279,673.03x = 66,991,478,771.14 - Step 5: Solve for x
x = 66,991,478,771.14/279,673.03 - Step 6: Final answer
x = 239,535.00
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1.5x scale
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.