Finding the Fourth Proportional to 405,603.36, 608,358.55 and 106,112.84
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Solution
The fourth proportional to 405,603.36, 608,358.55 and 106,112.84 is: 159,157.09
Step by Step Solution
- Step 1: Write the proportion equation
405,603.36 : 608,358.55 = 106,112.84 : x - Step 2: Convert to fraction form
405,603.36/608,358.55 = 106,112.84/x - Step 3: Cross multiply
405,603.36x = 608,358.55 × 106,112.84 - Step 4: Simplify right side
405,603.36x = 64,554,650,436.99 - Step 5: Solve for x
x = 64,554,650,436.99/405,603.36 - Step 6: Final answer
x = 159,157.09
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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.