Finding the Fourth Proportional to 319,457.07, 479,134.81 and 106,207.26
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Solution
The fourth proportional to 319,457.07, 479,134.81 and 106,207.26 is: 159,294.00
Step by Step Solution
- Step 1: Write the proportion equation
319,457.07 : 479,134.81 = 106,207.26 : x - Step 2: Convert to fraction form
319,457.07/479,134.81 = 106,207.26/x - Step 3: Cross multiply
319,457.07x = 479,134.81 × 106,207.26 - Step 4: Simplify right side
319,457.07x = 50,887,595,075.20 - Step 5: Solve for x
x = 50,887,595,075.20/319,457.07 - Step 6: Final answer
x = 159,294.00
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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.