Finding the Fourth Proportional to 258,982.87, 357,599.06 and 202,555.03
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Solution
The fourth proportional to 258,982.87, 357,599.06 and 202,555.03 is: 279,684.48
Step by Step Solution
- Step 1: Write the proportion equation
258,982.87 : 357,599.06 = 202,555.03 : x - Step 2: Convert to fraction form
258,982.87/357,599.06 = 202,555.03/x - Step 3: Cross multiply
258,982.87x = 357,599.06 × 202,555.03 - Step 4: Simplify right side
258,982.87x = 72,433,488,326.27 - Step 5: Solve for x
x = 72,433,488,326.27/258,982.87 - Step 6: Final answer
x = 279,684.48
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1.5x scale
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.