Finding the Fourth Proportional to 297,389.02, 410,397.80 and 161,423.08
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Solution
The fourth proportional to 297,389.02, 410,397.80 and 161,423.08 is: 222,764.37
Step by Step Solution
- Step 1: Write the proportion equation
297,389.02 : 410,397.80 = 161,423.08 : x - Step 2: Convert to fraction form
297,389.02/410,397.80 = 161,423.08/x - Step 3: Cross multiply
297,389.02x = 410,397.80 × 161,423.08 - Step 4: Simplify right side
297,389.02x = 66,247,676,901.22 - Step 5: Solve for x
x = 66,247,676,901.22/297,389.02 - Step 6: Final answer
x = 222,764.37
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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.