Finding the Fourth Proportional to 299,366.24, 412,982.12 and 202,603.90
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Solution
The fourth proportional to 299,366.24, 412,982.12 and 202,603.90 is: 279,496.41
Step by Step Solution
- Step 1: Write the proportion equation
299,366.24 : 412,982.12 = 202,603.90 : x - Step 2: Convert to fraction form
299,366.24/412,982.12 = 202,603.90/x - Step 3: Cross multiply
299,366.24x = 412,982.12 × 202,603.90 - Step 4: Simplify right side
299,366.24x = 83,671,788,142.27 - Step 5: Solve for x
x = 83,671,788,142.27/299,366.24 - Step 6: Final answer
x = 279,496.41
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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.