Finding the Fourth Proportional to 405,604.36, 608,360.05 and 106,113.84
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Solution
The fourth proportional to 405,604.36, 608,360.05 and 106,113.84 is: 159,158.60
Step by Step Solution
- Step 1: Write the proportion equation
405,604.36 : 608,360.05 = 106,113.84 : x - Step 2: Convert to fraction form
405,604.36/608,360.05 = 106,113.84/x - Step 3: Cross multiply
405,604.36x = 608,360.05 × 106,113.84 - Step 4: Simplify right side
405,604.36x = 64,555,421,008.09 - Step 5: Solve for x
x = 64,555,421,008.09/405,604.36 - Step 6: Final answer
x = 159,158.60
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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.