Finding the Fourth Proportional to 102,558.36, 153,863.52 and 31,484.62
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Solution
The fourth proportional to 102,558.36, 153,863.52 and 31,484.62 is: 47,234.90
Step by Step Solution
- Step 1: Write the proportion equation
102,558.36 : 153,863.52 = 31,484.62 : x - Step 2: Convert to fraction form
102,558.36/153,863.52 = 31,484.62/x - Step 3: Cross multiply
102,558.36x = 153,863.52 × 31,484.62 - Step 4: Simplify right side
102,558.36x = 4,844,334,058.81 - Step 5: Solve for x
x = 4,844,334,058.81/102,558.36 - Step 6: Final answer
x = 47,234.90
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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.