Finding the Fourth Proportional to 176,362.56, 243,246.97 and 122,620.68
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Solution
The fourth proportional to 176,362.56, 243,246.97 and 122,620.68 is: 169,123.81
Step by Step Solution
- Step 1: Write the proportion equation
176,362.56 : 243,246.97 = 122,620.68 : x - Step 2: Convert to fraction form
176,362.56/243,246.97 = 122,620.68/x - Step 3: Cross multiply
176,362.56x = 243,246.97 × 122,620.68 - Step 4: Simplify right side
176,362.56x = 29,827,108,869.34 - Step 5: Solve for x
x = 29,827,108,869.34/176,362.56 - Step 6: Final answer
x = 169,123.81
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1.5x scale
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.