Finding the Fourth Proportional to 227,430.64, 340,869.21 and 160,889.95
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Solution
The fourth proportional to 227,430.64, 340,869.21 and 160,889.95 is: 241,139.15
Step by Step Solution
- Step 1: Write the proportion equation
227,430.64 : 340,869.21 = 160,889.95 : x - Step 2: Convert to fraction form
227,430.64/340,869.21 = 160,889.95/x - Step 3: Cross multiply
227,430.64x = 340,869.21 × 160,889.95 - Step 4: Simplify right side
227,430.64x = 54,842,430,153.44 - Step 5: Solve for x
x = 54,842,430,153.44/227,430.64 - Step 6: Final answer
x = 241,139.15
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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.