Finding the Fourth Proportional to 357,029.31, 492,700.42 and 204,070.79
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Solution
The fourth proportional to 357,029.31, 492,700.42 and 204,070.79 is: 281,617.68
Step by Step Solution
- Step 1: Write the proportion equation
357,029.31 : 492,700.42 = 204,070.79 : x - Step 2: Convert to fraction form
357,029.31/492,700.42 = 204,070.79/x - Step 3: Cross multiply
357,029.31x = 492,700.42 × 204,070.79 - Step 4: Simplify right side
357,029.31x = 100,545,765,429.57 - Step 5: Solve for x
x = 100,545,765,429.57/357,029.31 - Step 6: Final answer
x = 281,617.68
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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.