Finding the Fourth Proportional to 571,891.80, 857,837.70 and 216,787.80
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Solution
The fourth proportional to 571,891.80, 857,837.70 and 216,787.80 is: 325,181.70
Step by Step Solution
- Step 1: Write the proportion equation
571,891.80 : 857,837.70 = 216,787.80 : x - Step 2: Convert to fraction form
571,891.80/857,837.70 = 216,787.80/x - Step 3: Cross multiply
571,891.80x = 857,837.70 × 216,787.80 - Step 4: Simplify right side
571,891.80x = 185,968,747,740.06 - Step 5: Solve for x
x = 185,968,747,740.06/571,891.80 - Step 6: Final answer
x = 325,181.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.