Finding the Fourth Proportional to 181,929.80, 272,894.70 and 132,357.80
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Solution
The fourth proportional to 181,929.80, 272,894.70 and 132,357.80 is: 198,536.70
Step by Step Solution
- Step 1: Write the proportion equation
181,929.80 : 272,894.70 = 132,357.80 : x - Step 2: Convert to fraction form
181,929.80/272,894.70 = 132,357.80/x - Step 3: Cross multiply
181,929.80x = 272,894.70 × 132,357.80 - Step 4: Simplify right side
181,929.80x = 36,119,742,123.66 - Step 5: Solve for x
x = 36,119,742,123.66/181,929.80 - Step 6: Final answer
x = 198,536.70
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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.