Finding the Fourth Proportional to 207,056.80, 310,585.20 and 183,437.20
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Solution
The fourth proportional to 207,056.80, 310,585.20 and 183,437.20 is: 275,155.80
Step by Step Solution
- Step 1: Write the proportion equation
207,056.80 : 310,585.20 = 183,437.20 : x - Step 2: Convert to fraction form
207,056.80/310,585.20 = 183,437.20/x - Step 3: Cross multiply
207,056.80x = 310,585.20 × 183,437.20 - Step 4: Simplify right side
207,056.80x = 56,972,879,449.44 - Step 5: Solve for x
x = 56,972,879,449.44/207,056.80 - Step 6: Final answer
x = 275,155.80
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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.