Finding the Fourth Proportional to 188,512.04, 260,149.86 and 103,632.68
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Solution
The fourth proportional to 188,512.04, 260,149.86 and 103,632.68 is: 143,014.88
Step by Step Solution
- Step 1: Write the proportion equation
188,512.04 : 260,149.86 = 103,632.68 : x - Step 2: Convert to fraction form
188,512.04/260,149.86 = 103,632.68/x - Step 3: Cross multiply
188,512.04x = 260,149.86 × 103,632.68 - Step 4: Simplify right side
188,512.04x = 26,960,027,193.42 - Step 5: Solve for x
x = 26,960,027,193.42/188,512.04 - Step 6: Final answer
x = 143,014.88
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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.