Finding the Fourth Proportional to 328,290.12, 453,251.21 and 205,950.23
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Solution
The fourth proportional to 328,290.12, 453,251.21 and 205,950.23 is: 284,343.59
Step by Step Solution
- Step 1: Write the proportion equation
328,290.12 : 453,251.21 = 205,950.23 : x - Step 2: Convert to fraction form
328,290.12/453,251.21 = 205,950.23/x - Step 3: Cross multiply
328,290.12x = 453,251.21 × 205,950.23 - Step 4: Simplify right side
328,290.12x = 93,347,190,281.20 - Step 5: Solve for x
x = 93,347,190,281.20/328,290.12 - Step 6: Final answer
x = 284,343.59
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1.5x scale
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.