Finding the Fourth Proportional to 357,339.21, 493,129.07 and 196,204.70
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Solution
The fourth proportional to 357,339.21, 493,129.07 and 196,204.70 is: 270,763.00
Step by Step Solution
- Step 1: Write the proportion equation
357,339.21 : 493,129.07 = 196,204.70 : x - Step 2: Convert to fraction form
357,339.21/493,129.07 = 196,204.70/x - Step 3: Cross multiply
357,339.21x = 493,129.07 × 196,204.70 - Step 4: Simplify right side
357,339.21x = 96,754,237,793.96 - Step 5: Solve for x
x = 96,754,237,793.96/357,339.21 - Step 6: Final answer
x = 270,763.00
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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.