Finding the Fourth Proportional to 395,176.41, 592,826.35 and 128,874.99
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Solution
The fourth proportional to 395,176.41, 592,826.35 and 128,874.99 is: 193,332.62
Step by Step Solution
- Step 1: Write the proportion equation
395,176.41 : 592,826.35 = 128,874.99 : x - Step 2: Convert to fraction form
395,176.41/592,826.35 = 128,874.99/x - Step 3: Cross multiply
395,176.41x = 592,826.35 × 128,874.99 - Step 4: Simplify right side
395,176.41x = 76,400,489,927.99 - Step 5: Solve for x
x = 76,400,489,927.99/395,176.41 - Step 6: Final answer
x = 193,332.62
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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.