Finding the Fourth Proportional to 357,499.19, 493,352.96 and 196,358.00
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Solution
The fourth proportional to 357,499.19, 493,352.96 and 196,358.00 is: 270,976.27
Step by Step Solution
- Step 1: Write the proportion equation
357,499.19 : 493,352.96 = 196,358.00 : x - Step 2: Convert to fraction form
357,499.19/493,352.96 = 196,358.00/x - Step 3: Cross multiply
357,499.19x = 493,352.96 × 196,358.00 - Step 4: Simplify right side
357,499.19x = 96,873,797,071.13 - Step 5: Solve for x
x = 96,873,797,071.13/357,499.19 - Step 6: Final answer
x = 270,976.27
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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.