Finding the Fourth Proportional to 340,059.36, 509,497.92 and 238,642.32
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Solution
The fourth proportional to 340,059.36, 509,497.92 and 238,642.32 is: 357,548.65
Step by Step Solution
- Step 1: Write the proportion equation
340,059.36 : 509,497.92 = 238,642.32 : x - Step 2: Convert to fraction form
340,059.36/509,497.92 = 238,642.32/x - Step 3: Cross multiply
340,059.36x = 509,497.92 × 238,642.32 - Step 4: Simplify right side
340,059.36x = 121,587,765,663.97 - Step 5: Solve for x
x = 121,587,765,663.97/340,059.36 - Step 6: Final answer
x = 357,548.65
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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.