Finding the Fourth Proportional to 395,206.29, 592,903.74 and 128,967.29
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Solution
The fourth proportional to 395,206.29, 592,903.74 and 128,967.29 is: 193,481.70
Step by Step Solution
- Step 1: Write the proportion equation
395,206.29 : 592,903.74 = 128,967.29 : x - Step 2: Convert to fraction form
395,206.29/592,903.74 = 128,967.29/x - Step 3: Cross multiply
395,206.29x = 592,903.74 × 128,967.29 - Step 4: Simplify right side
395,206.29x = 76,465,185,614.15 - Step 5: Solve for x
x = 76,465,185,614.15/395,206.29 - Step 6: Final answer
x = 193,481.70
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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.