Finding the Fourth Proportional to 260,951.99, 360,107.61 and 153,528.94
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Solution
The fourth proportional to 260,951.99, 360,107.61 and 153,528.94 is: 211,866.33
Step by Step Solution
- Step 1: Write the proportion equation
260,951.99 : 360,107.61 = 153,528.94 : x - Step 2: Convert to fraction form
260,951.99/360,107.61 = 153,528.94/x - Step 3: Cross multiply
260,951.99x = 360,107.61 × 153,528.94 - Step 4: Simplify right side
260,951.99x = 55,286,939,649.23 - Step 5: Solve for x
x = 55,286,939,649.23/260,951.99 - Step 6: Final answer
x = 211,866.33
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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.