Finding the Fourth Proportional to 422,438.36, 582,966.18 and 228,848.02
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Solution
The fourth proportional to 422,438.36, 582,966.18 and 228,848.02 is: 315,810.94
Step by Step Solution
- Step 1: Write the proportion equation
422,438.36 : 582,966.18 = 228,848.02 : x - Step 2: Convert to fraction form
422,438.36/582,966.18 = 228,848.02/x - Step 3: Cross multiply
422,438.36x = 582,966.18 × 228,848.02 - Step 4: Simplify right side
422,438.36x = 133,410,654,562.55 - Step 5: Solve for x
x = 133,410,654,562.55/422,438.36 - Step 6: Final answer
x = 315,810.94
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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.