Finding the Fourth Proportional to 371,053.47, 512,055.09 and 201,288.81
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Solution
The fourth proportional to 371,053.47, 512,055.09 and 201,288.81 is: 277,779.26
Step by Step Solution
- Step 1: Write the proportion equation
371,053.47 : 512,055.09 = 201,288.81 : x - Step 2: Convert to fraction form
371,053.47/512,055.09 = 201,288.81/x - Step 3: Cross multiply
371,053.47x = 512,055.09 × 201,288.81 - Step 4: Simplify right side
371,053.47x = 103,070,959,720.54 - Step 5: Solve for x
x = 103,070,959,720.54/371,053.47 - Step 6: Final answer
x = 277,779.26
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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.