Finding the Fourth Proportional to 104,318.84, 156,409.12 and 37,750.31
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Solution
The fourth proportional to 104,318.84, 156,409.12 and 37,750.31 is: 56,600.45
Step by Step Solution
- Step 1: Write the proportion equation
104,318.84 : 156,409.12 = 37,750.31 : x - Step 2: Convert to fraction form
104,318.84/156,409.12 = 37,750.31/x - Step 3: Cross multiply
104,318.84x = 156,409.12 × 37,750.31 - Step 4: Simplify right side
104,318.84x = 5,904,492,766.83 - Step 5: Solve for x
x = 5,904,492,766.83/104,318.84 - Step 6: Final answer
x = 56,600.45
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1.5x scale
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.