Finding the Fourth Proportional to 147,564.96, 203,649.24 and 83,908.68
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Solution
The fourth proportional to 147,564.96, 203,649.24 and 83,908.68 is: 115,799.43
Step by Step Solution
- Step 1: Write the proportion equation
147,564.96 : 203,649.24 = 83,908.68 : x - Step 2: Convert to fraction form
147,564.96/203,649.24 = 83,908.68/x - Step 3: Cross multiply
147,564.96x = 203,649.24 × 83,908.68 - Step 4: Simplify right side
147,564.96x = 17,087,938,911.40 - Step 5: Solve for x
x = 17,087,938,911.40/147,564.96 - Step 6: Final answer
x = 115,799.43
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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.