Finding the Fourth Proportional to 351,624.43, 485,239.71 and 190,482.58
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Solution
The fourth proportional to 351,624.43, 485,239.71 and 190,482.58 is: 262,864.88
Step by Step Solution
- Step 1: Write the proportion equation
351,624.43 : 485,239.71 = 190,482.58 : x - Step 2: Convert to fraction form
351,624.43/485,239.71 = 190,482.58/x - Step 3: Cross multiply
351,624.43x = 485,239.71 × 190,482.58 - Step 4: Simplify right side
351,624.43x = 92,429,711,879.25 - Step 5: Solve for x
x = 92,429,711,879.25/351,624.43 - Step 6: Final answer
x = 262,864.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.