Finding the Fourth Proportional to 331,679.76, 497,364.12 and 121,170.48
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Solution
The fourth proportional to 331,679.76, 497,364.12 and 121,170.48 is: 181,698.90
Step by Step Solution
- Step 1: Write the proportion equation
331,679.76 : 497,364.12 = 121,170.48 : x - Step 2: Convert to fraction form
331,679.76/497,364.12 = 121,170.48/x - Step 3: Cross multiply
331,679.76x = 497,364.12 × 121,170.48 - Step 4: Simplify right side
331,679.76x = 60,265,849,155.18 - Step 5: Solve for x
x = 60,265,849,155.18/331,679.76 - Step 6: Final answer
x = 181,698.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.