Finding the Fourth Proportional to 422,553.11, 583,123.81 and 228,960.68
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Solution
The fourth proportional to 422,553.11, 583,123.81 and 228,960.68 is: 315,966.02
Step by Step Solution
- Step 1: Write the proportion equation
422,553.11 : 583,123.81 = 228,960.68 : x - Step 2: Convert to fraction form
422,553.11/583,123.81 = 228,960.68/x - Step 3: Cross multiply
422,553.11x = 583,123.81 × 228,960.68 - Step 4: Simplify right side
422,553.11x = 133,512,424,947.20 - Step 5: Solve for x
x = 133,512,424,947.20/422,553.11 - Step 6: Final answer
x = 315,966.02
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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.