Finding the Fourth Proportional to 181,497.60, 272,246.40 and 122,011.20
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Solution
The fourth proportional to 181,497.60, 272,246.40 and 122,011.20 is: 183,016.80
Step by Step Solution
- Step 1: Write the proportion equation
181,497.60 : 272,246.40 = 122,011.20 : x - Step 2: Convert to fraction form
181,497.60/272,246.40 = 122,011.20/x - Step 3: Cross multiply
181,497.60x = 272,246.40 × 122,011.20 - Step 4: Simplify right side
181,497.60x = 33,217,109,959.68 - Step 5: Solve for x
x = 33,217,109,959.68/181,497.60 - Step 6: Final answer
x = 183,016.80
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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.