Finding the Fourth Proportional to 317,284.80, 437,732.28 and 202,567.74
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Solution
The fourth proportional to 317,284.80, 437,732.28 and 202,567.74 is: 279,466.39
Step by Step Solution
- Step 1: Write the proportion equation
317,284.80 : 437,732.28 = 202,567.74 : x - Step 2: Convert to fraction form
317,284.80/437,732.28 = 202,567.74/x - Step 3: Cross multiply
317,284.80x = 437,732.28 × 202,567.74 - Step 4: Simplify right side
317,284.80x = 88,670,438,684.65 - Step 5: Solve for x
x = 88,670,438,684.65/317,284.80 - Step 6: Final answer
x = 279,466.39
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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.