Finding the Fourth Proportional to 301,122.28, 414,505.80 and 260,267.80
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Solution
The fourth proportional to 301,122.28, 414,505.80 and 260,267.80 is: 358,268.12
Step by Step Solution
- Step 1: Write the proportion equation
301,122.28 : 414,505.80 = 260,267.80 : x - Step 2: Convert to fraction form
301,122.28/414,505.80 = 260,267.80/x - Step 3: Cross multiply
301,122.28x = 414,505.80 × 260,267.80 - Step 4: Simplify right side
301,122.28x = 107,882,512,653.24 - Step 5: Solve for x
x = 107,882,512,653.24/301,122.28 - Step 6: Final answer
x = 358,268.12
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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.