Finding the Fourth Proportional to 110,364.24, 152,318.70 and 61,971.60
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Solution
The fourth proportional to 110,364.24, 152,318.70 and 61,971.60 is: 85,529.82
Step by Step Solution
- Step 1: Write the proportion equation
110,364.24 : 152,318.70 = 61,971.60 : x - Step 2: Convert to fraction form
110,364.24/152,318.70 = 61,971.60/x - Step 3: Cross multiply
110,364.24x = 152,318.70 × 61,971.60 - Step 4: Simplify right side
110,364.24x = 9,439,433,548.92 - Step 5: Solve for x
x = 9,439,433,548.92/110,364.24 - Step 6: Final answer
x = 85,529.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.