Finding the Fourth Proportional to 98,490.91, 147,714.76 and 28,354.99
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Solution
The fourth proportional to 98,490.91, 147,714.76 and 28,354.99 is: 42,526.27
Step by Step Solution
- Step 1: Write the proportion equation
98,490.91 : 147,714.76 = 28,354.99 : x - Step 2: Convert to fraction form
98,490.91/147,714.76 = 28,354.99/x - Step 3: Cross multiply
98,490.91x = 147,714.76 × 28,354.99 - Step 4: Simplify right side
98,490.91x = 4,188,450,542.65 - Step 5: Solve for x
x = 4,188,450,542.65/98,490.91 - Step 6: Final answer
x = 42,526.27
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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.