Finding the Fourth Proportional to 371,276.12, 512,361.52 and 201,510.30
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Solution
The fourth proportional to 371,276.12, 512,361.52 and 201,510.30 is: 278,084.47
Step by Step Solution
- Step 1: Write the proportion equation
371,276.12 : 512,361.52 = 201,510.30 : x - Step 2: Convert to fraction form
371,276.12/512,361.52 = 201,510.30/x - Step 3: Cross multiply
371,276.12x = 512,361.52 × 201,510.30 - Step 4: Simplify right side
371,276.12x = 103,246,123,603.66 - Step 5: Solve for x
x = 103,246,123,603.66/371,276.12 - Step 6: Final answer
x = 278,084.47
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1.5x scale
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.