Finding the Fourth Proportional to 308,048.65, 462,089.49 and 97,702.99
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Solution
The fourth proportional to 308,048.65, 462,089.49 and 97,702.99 is: 146,559.72
Step by Step Solution
- Step 1: Write the proportion equation
308,048.65 : 462,089.49 = 97,702.99 : x - Step 2: Convert to fraction form
308,048.65/462,089.49 = 97,702.99/x - Step 3: Cross multiply
308,048.65x = 462,089.49 × 97,702.99 - Step 4: Simplify right side
308,048.65x = 45,147,524,820.58 - Step 5: Solve for x
x = 45,147,524,820.58/308,048.65 - Step 6: Final answer
x = 146,559.72
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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.