Finding the Fourth Proportional to 225,848.97, 338,805.62 and 74,013.52
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Solution
The fourth proportional to 225,848.97, 338,805.62 and 74,013.52 is: 111,030.82
Step by Step Solution
- Step 1: Write the proportion equation
225,848.97 : 338,805.62 = 74,013.52 : x - Step 2: Convert to fraction form
225,848.97/338,805.62 = 74,013.52/x - Step 3: Cross multiply
225,848.97x = 338,805.62 × 74,013.52 - Step 4: Simplify right side
225,848.97x = 25,076,196,531.98 - Step 5: Solve for x
x = 25,076,196,531.98/225,848.97 - Step 6: Final answer
x = 111,030.82
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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.