Finding the Fourth Proportional to 106,887.36, 160,368.12 and 40,346.64
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Solution
The fourth proportional to 106,887.36, 160,368.12 and 40,346.64 is: 60,533.96
Step by Step Solution
- Step 1: Write the proportion equation
106,887.36 : 160,368.12 = 40,346.64 : x - Step 2: Convert to fraction form
106,887.36/160,368.12 = 40,346.64/x - Step 3: Cross multiply
106,887.36x = 160,368.12 × 40,346.64 - Step 4: Simplify right side
106,887.36x = 6,470,314,805.12 - Step 5: Solve for x
x = 6,470,314,805.12/106,887.36 - Step 6: Final answer
x = 60,533.96
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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.