Finding the Fourth Proportional to 260,353.92, 390,752.79 and 102,693.09
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Solution
The fourth proportional to 260,353.92, 390,752.79 and 102,693.09 is: 154,127.16
Step by Step Solution
- Step 1: Write the proportion equation
260,353.92 : 390,752.79 = 102,693.09 : x - Step 2: Convert to fraction form
260,353.92/390,752.79 = 102,693.09/x - Step 3: Cross multiply
260,353.92x = 390,752.79 × 102,693.09 - Step 4: Simplify right side
260,353.92x = 40,127,611,431.22 - Step 5: Solve for x
x = 40,127,611,431.22/260,353.92 - Step 6: Final answer
x = 154,127.16
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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.