Finding the Fourth Proportional to 350,509.20, 483,705.76 and 197,518.08
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Solution
The fourth proportional to 350,509.20, 483,705.76 and 197,518.08 is: 272,576.68
Step by Step Solution
- Step 1: Write the proportion equation
350,509.20 : 483,705.76 = 197,518.08 : x - Step 2: Convert to fraction form
350,509.20/483,705.76 = 197,518.08/x - Step 3: Cross multiply
350,509.20x = 483,705.76 × 197,518.08 - Step 4: Simplify right side
350,509.20x = 95,540,633,000.14 - Step 5: Solve for x
x = 95,540,633,000.14/350,509.20 - Step 6: Final answer
x = 272,576.68
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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.