Finding the Fourth Proportional to 273,954.47, 378,072.11 and 153,095.99
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Solution
The fourth proportional to 273,954.47, 378,072.11 and 153,095.99 is: 211,280.81
Step by Step Solution
- Step 1: Write the proportion equation
273,954.47 : 378,072.11 = 153,095.99 : x - Step 2: Convert to fraction form
273,954.47/378,072.11 = 153,095.99/x - Step 3: Cross multiply
273,954.47x = 378,072.11 × 153,095.99 - Step 4: Simplify right side
273,954.47x = 57,881,323,206.36 - Step 5: Solve for x
x = 57,881,323,206.36/273,954.47 - Step 6: Final answer
x = 211,280.81
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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.