Finding the Fourth Proportional to 102,334.30, 153,517.86 and 43,178.68
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Solution
The fourth proportional to 102,334.30, 153,517.86 and 43,178.68 is: 64,774.94
Step by Step Solution
- Step 1: Write the proportion equation
102,334.30 : 153,517.86 = 43,178.68 : x - Step 2: Convert to fraction form
102,334.30/153,517.86 = 43,178.68/x - Step 3: Cross multiply
102,334.30x = 153,517.86 × 43,178.68 - Step 4: Simplify right side
102,334.30x = 6,628,698,551.22 - Step 5: Solve for x
x = 6,628,698,551.22/102,334.30 - Step 6: Final answer
x = 64,774.94
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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.