Finding the Fourth Proportional to 357,108.70, 492,785.90 and 195,974.08
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Solution
The fourth proportional to 357,108.70, 492,785.90 and 195,974.08 is: 270,431.00
Step by Step Solution
- Step 1: Write the proportion equation
357,108.70 : 492,785.90 = 195,974.08 : x - Step 2: Convert to fraction form
357,108.70/492,785.90 = 195,974.08/x - Step 3: Cross multiply
357,108.70x = 492,785.90 × 195,974.08 - Step 4: Simplify right side
357,108.70x = 96,573,263,389.47 - Step 5: Solve for x
x = 96,573,263,389.47/357,108.70 - Step 6: Final answer
x = 270,431.00
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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.