Finding the Fourth Proportional to 268,432.72, 402,353.80 and 110,575.06
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Solution
The fourth proportional to 268,432.72, 402,353.80 and 110,575.06 is: 165,740.96
Step by Step Solution
- Step 1: Write the proportion equation
268,432.72 : 402,353.80 = 110,575.06 : x - Step 2: Convert to fraction form
268,432.72/402,353.80 = 110,575.06/x - Step 3: Cross multiply
268,432.72x = 402,353.80 × 110,575.06 - Step 4: Simplify right side
268,432.72x = 44,490,295,576.23 - Step 5: Solve for x
x = 44,490,295,576.23/268,432.72 - Step 6: Final answer
x = 165,740.96
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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.