Finding the Fourth Proportional to 361,670.76, 542,432.03 and 136,953.68
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Solution
The fourth proportional to 361,670.76, 542,432.03 and 136,953.68 is: 205,402.45
Step by Step Solution
- Step 1: Write the proportion equation
361,670.76 : 542,432.03 = 136,953.68 : x - Step 2: Convert to fraction form
361,670.76/542,432.03 = 136,953.68/x - Step 3: Cross multiply
361,670.76x = 542,432.03 × 136,953.68 - Step 4: Simplify right side
361,670.76x = 74,288,059,261.44 - Step 5: Solve for x
x = 74,288,059,261.44/361,670.76 - Step 6: Final answer
x = 205,402.45
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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.