Finding the Fourth Proportional to 381,936.54, 572,901.12 and 232,218.18
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Solution
The fourth proportional to 381,936.54, 572,901.12 and 232,218.18 is: 348,325.03
Step by Step Solution
- Step 1: Write the proportion equation
381,936.54 : 572,901.12 = 232,218.18 : x - Step 2: Convert to fraction form
381,936.54/572,901.12 = 232,218.18/x - Step 3: Cross multiply
381,936.54x = 572,901.12 × 232,218.18 - Step 4: Simplify right side
381,936.54x = 133,038,055,406.36 - Step 5: Solve for x
x = 133,038,055,406.36/381,936.54 - Step 6: Final answer
x = 348,325.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.