Finding the Fourth Proportional to 98,239.80, 147,374.58 and 50,182.02
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Solution
The fourth proportional to 98,239.80, 147,374.58 and 50,182.02 is: 75,280.63
Step by Step Solution
- Step 1: Write the proportion equation
98,239.80 : 147,374.58 = 50,182.02 : x - Step 2: Convert to fraction form
98,239.80/147,374.58 = 50,182.02/x - Step 3: Cross multiply
98,239.80x = 147,374.58 × 50,182.02 - Step 4: Simplify right side
98,239.80x = 7,395,554,121.05 - Step 5: Solve for x
x = 7,395,554,121.05/98,239.80 - Step 6: Final answer
x = 75,280.63
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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.