Finding the Fourth Proportional to 371,079.64, 512,090.10 and 201,313.75
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Solution
The fourth proportional to 371,079.64, 512,090.10 and 201,313.75 is: 277,813.08
Step by Step Solution
- Step 1: Write the proportion equation
371,079.64 : 512,090.10 = 201,313.75 : x - Step 2: Convert to fraction form
371,079.64/512,090.10 = 201,313.75/x - Step 3: Cross multiply
371,079.64x = 512,090.10 × 201,313.75 - Step 4: Simplify right side
371,079.64x = 103,090,778,368.88 - Step 5: Solve for x
x = 103,090,778,368.88/371,079.64 - Step 6: Final answer
x = 277,813.08
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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.