Finding the Fourth Proportional to 645,319.26, 967,347.09 and 361,148.58
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Solution
The fourth proportional to 645,319.26, 967,347.09 and 361,148.58 is: 541,369.29
Step by Step Solution
- Step 1: Write the proportion equation
645,319.26 : 967,347.09 = 361,148.58 : x - Step 2: Convert to fraction form
645,319.26/967,347.09 = 361,148.58/x - Step 3: Cross multiply
645,319.26x = 967,347.09 × 361,148.58 - Step 4: Simplify right side
645,319.26x = 349,356,027,920.63 - Step 5: Solve for x
x = 349,356,027,920.63/645,319.26 - Step 6: Final answer
x = 541,369.29
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1.5x scale
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.