Finding the Fourth Proportional to 163,037.48, 224,896.16 and 102,512.20
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Solution
The fourth proportional to 163,037.48, 224,896.16 and 102,512.20 is: 141,406.75
Step by Step Solution
- Step 1: Write the proportion equation
163,037.48 : 224,896.16 = 102,512.20 : x - Step 2: Convert to fraction form
163,037.48/224,896.16 = 102,512.20/x - Step 3: Cross multiply
163,037.48x = 224,896.16 × 102,512.20 - Step 4: Simplify right side
163,037.48x = 23,054,600,133.15 - Step 5: Solve for x
x = 23,054,600,133.15/163,037.48 - Step 6: Final answer
x = 141,406.75
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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.