Finding the Fourth Proportional to 174,479.06, 261,817.41 and 74,630.36
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Solution
The fourth proportional to 174,479.06, 261,817.41 and 74,630.36 is: 111,987.80
Step by Step Solution
- Step 1: Write the proportion equation
174,479.06 : 261,817.41 = 74,630.36 : x - Step 2: Convert to fraction form
174,479.06/261,817.41 = 74,630.36/x - Step 3: Cross multiply
174,479.06x = 261,817.41 × 74,630.36 - Step 4: Simplify right side
174,479.06x = 19,539,526,253.48 - Step 5: Solve for x
x = 19,539,526,253.48/174,479.06 - Step 6: Final answer
x = 111,987.80
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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.