Finding the Fourth Proportional to 361,671.76, 542,433.52 and 136,954.68
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Solution
The fourth proportional to 361,671.76, 542,433.52 and 136,954.68 is: 205,403.95
Step by Step Solution
- Step 1: Write the proportion equation
361,671.76 : 542,433.52 = 136,954.68 : x - Step 2: Convert to fraction form
361,671.76/542,433.52 = 136,954.68/x - Step 3: Cross multiply
361,671.76x = 542,433.52 × 136,954.68 - Step 4: Simplify right side
361,671.76x = 74,288,809,152.87 - Step 5: Solve for x
x = 74,288,809,152.87/361,671.76 - Step 6: Final answer
x = 205,403.95
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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.