Finding the Fourth Proportional to 149,029.40, 223,544.10 and 121,035.80
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Solution
The fourth proportional to 149,029.40, 223,544.10 and 121,035.80 is: 181,553.70
Step by Step Solution
- Step 1: Write the proportion equation
149,029.40 : 223,544.10 = 121,035.80 : x - Step 2: Convert to fraction form
149,029.40/223,544.10 = 121,035.80/x - Step 3: Cross multiply
149,029.40x = 223,544.10 × 121,035.80 - Step 4: Simplify right side
149,029.40x = 27,056,838,978.78 - Step 5: Solve for x
x = 27,056,838,978.78/149,029.40 - Step 6: Final answer
x = 181,553.70
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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.