Finding the Fourth Proportional to 156,005.57, 234,043.58 and 49,395.99
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Solution
The fourth proportional to 156,005.57, 234,043.58 and 49,395.99 is: 74,105.14
Step by Step Solution
- Step 1: Write the proportion equation
156,005.57 : 234,043.58 = 49,395.99 : x - Step 2: Convert to fraction form
156,005.57/234,043.58 = 49,395.99/x - Step 3: Cross multiply
156,005.57x = 234,043.58 × 49,395.99 - Step 4: Simplify right side
156,005.57x = 11,560,814,090.26 - Step 5: Solve for x
x = 11,560,814,090.26/156,005.57 - Step 6: Final answer
x = 74,105.14
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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.