Finding the Fourth Proportional to 280,202.26, 420,154.86 and 122,246.18
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Solution
The fourth proportional to 280,202.26, 420,154.86 and 122,246.18 is: 183,304.47
Step by Step Solution
- Step 1: Write the proportion equation
280,202.26 : 420,154.86 = 122,246.18 : x - Step 2: Convert to fraction form
280,202.26/420,154.86 = 122,246.18/x - Step 3: Cross multiply
280,202.26x = 420,154.86 × 122,246.18 - Step 4: Simplify right side
280,202.26x = 51,362,326,643.43 - Step 5: Solve for x
x = 51,362,326,643.43/280,202.26 - Step 6: Final answer
x = 183,304.47
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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.