Finding the Fourth Proportional to 371,201.19, 512,258.99 and 201,435.27
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Solution
The fourth proportional to 371,201.19, 512,258.99 and 201,435.27 is: 277,981.40
Step by Step Solution
- Step 1: Write the proportion equation
371,201.19 : 512,258.99 = 201,435.27 : x - Step 2: Convert to fraction form
371,201.19/512,258.99 = 201,435.27/x - Step 3: Cross multiply
371,201.19x = 512,258.99 × 201,435.27 - Step 4: Simplify right side
371,201.19x = 103,187,026,953.40 - Step 5: Solve for x
x = 103,187,026,953.40/371,201.19 - Step 6: Final answer
x = 277,981.40
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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.