Finding the Fourth Proportional to 447,581.08, 671,232.30 and 147,994.48
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Solution
The fourth proportional to 447,581.08, 671,232.30 and 147,994.48 is: 221,945.65
Step by Step Solution
- Step 1: Write the proportion equation
447,581.08 : 671,232.30 = 147,994.48 : x - Step 2: Convert to fraction form
447,581.08/671,232.30 = 147,994.48/x - Step 3: Cross multiply
447,581.08x = 671,232.30 × 147,994.48 - Step 4: Simplify right side
447,581.08x = 99,338,675,197.70 - Step 5: Solve for x
x = 99,338,675,197.70/447,581.08 - Step 6: Final answer
x = 221,945.65
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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.