Finding the Fourth Proportional to 260,951.74, 360,107.28 and 153,528.69
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Solution
The fourth proportional to 260,951.74, 360,107.28 and 153,528.69 is: 211,865.99
Step by Step Solution
- Step 1: Write the proportion equation
260,951.74 : 360,107.28 = 153,528.69 : x - Step 2: Convert to fraction form
260,951.74/360,107.28 = 153,528.69/x - Step 3: Cross multiply
260,951.74x = 360,107.28 × 153,528.69 - Step 4: Simplify right side
260,951.74x = 55,286,798,957.86 - Step 5: Solve for x
x = 55,286,798,957.86/260,951.74 - Step 6: Final answer
x = 211,865.99
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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.