Finding the Fourth Proportional to 183,497.40, 275,246.10 and 120,714.30
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Solution
The fourth proportional to 183,497.40, 275,246.10 and 120,714.30 is: 181,071.45
Step by Step Solution
- Step 1: Write the proportion equation
183,497.40 : 275,246.10 = 120,714.30 : x - Step 2: Convert to fraction form
183,497.40/275,246.10 = 120,714.30/x - Step 3: Cross multiply
183,497.40x = 275,246.10 × 120,714.30 - Step 4: Simplify right side
183,497.40x = 33,226,140,289.23 - Step 5: Solve for x
x = 33,226,140,289.23/183,497.40 - Step 6: Final answer
x = 181,071.45
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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.