Finding the Fourth Proportional to 147,362.13, 203,364.41 and 83,696.13
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Solution
The fourth proportional to 147,362.13, 203,364.41 and 83,696.13 is: 115,503.31
Step by Step Solution
- Step 1: Write the proportion equation
147,362.13 : 203,364.41 = 83,696.13 : x - Step 2: Convert to fraction form
147,362.13/203,364.41 = 83,696.13/x - Step 3: Cross multiply
147,362.13x = 203,364.41 × 83,696.13 - Step 4: Simplify right side
147,362.13x = 17,020,813,678.25 - Step 5: Solve for x
x = 17,020,813,678.25/147,362.13 - Step 6: Final answer
x = 115,503.31
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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.