Finding the Fourth Proportional to 368,414.63, 508,410.17 and 207,270.70
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Solution
The fourth proportional to 368,414.63, 508,410.17 and 207,270.70 is: 286,032.43
Step by Step Solution
- Step 1: Write the proportion equation
368,414.63 : 508,410.17 = 207,270.70 : x - Step 2: Convert to fraction form
368,414.63/508,410.17 = 207,270.70/x - Step 3: Cross multiply
368,414.63x = 508,410.17 × 207,270.70 - Step 4: Simplify right side
368,414.63x = 105,378,530,292.91 - Step 5: Solve for x
x = 105,378,530,292.91/368,414.63 - Step 6: Final answer
x = 286,032.43
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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.