Finding the Fourth Proportional to 147,363.13, 203,365.79 and 83,697.13
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Solution
The fourth proportional to 147,363.13, 203,365.79 and 83,697.13 is: 115,504.69
Step by Step Solution
- Step 1: Write the proportion equation
147,363.13 : 203,365.79 = 83,697.13 : x - Step 2: Convert to fraction form
147,363.13/203,365.79 = 83,697.13/x - Step 3: Cross multiply
147,363.13x = 203,365.79 × 83,697.13 - Step 4: Simplify right side
147,363.13x = 17,021,132,963.18 - Step 5: Solve for x
x = 17,021,132,963.18/147,363.13 - Step 6: Final answer
x = 115,504.69
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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.