Finding the Fourth Proportional to 260,953.74, 360,110.04 and 153,530.69
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Solution
The fourth proportional to 260,953.74, 360,110.04 and 153,530.69 is: 211,868.75
Step by Step Solution
- Step 1: Write the proportion equation
260,953.74 : 360,110.04 = 153,530.69 : x - Step 2: Convert to fraction form
260,953.74/360,110.04 = 153,530.69/x - Step 3: Cross multiply
260,953.74x = 360,110.04 × 153,530.69 - Step 4: Simplify right side
260,953.74x = 55,287,942,917.13 - Step 5: Solve for x
x = 55,287,942,917.13/260,953.74 - Step 6: Final answer
x = 211,868.75
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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.