Finding the Fourth Proportional to 644,979.68, 967,491.12 and 224,259.20
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Solution
The fourth proportional to 644,979.68, 967,491.12 and 224,259.20 is: 336,396.31
Step by Step Solution
- Step 1: Write the proportion equation
644,979.68 : 967,491.12 = 224,259.20 : x - Step 2: Convert to fraction form
644,979.68/967,491.12 = 224,259.20/x - Step 3: Cross multiply
644,979.68x = 967,491.12 × 224,259.20 - Step 4: Simplify right side
644,979.68x = 216,968,784,578.30 - Step 5: Solve for x
x = 216,968,784,578.30/644,979.68 - Step 6: Final answer
x = 336,396.31
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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.