Finding the Fourth Proportional to 282,635.76, 390,059.10 and 161,815.08
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Solution
The fourth proportional to 282,635.76, 390,059.10 and 161,815.08 is: 223,317.26
Step by Step Solution
- Step 1: Write the proportion equation
282,635.76 : 390,059.10 = 161,815.08 : x - Step 2: Convert to fraction form
282,635.76/390,059.10 = 161,815.08/x - Step 3: Cross multiply
282,635.76x = 390,059.10 × 161,815.08 - Step 4: Simplify right side
282,635.76x = 63,117,444,471.23 - Step 5: Solve for x
x = 63,117,444,471.23/282,635.76 - Step 6: Final answer
x = 223,317.26
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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.