Finding the Fourth Proportional to 148,038.37, 204,163.81 and 104,932.60
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Solution
The fourth proportional to 148,038.37, 204,163.81 and 104,932.60 is: 144,715.45
Step by Step Solution
- Step 1: Write the proportion equation
148,038.37 : 204,163.81 = 104,932.60 : x - Step 2: Convert to fraction form
148,038.37/204,163.81 = 104,932.60/x - Step 3: Cross multiply
148,038.37x = 204,163.81 × 104,932.60 - Step 4: Simplify right side
148,038.37x = 21,423,438,636.47 - Step 5: Solve for x
x = 21,423,438,636.47/148,038.37 - Step 6: Final answer
x = 144,715.45
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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.