Finding the Fourth Proportional to 320,035.51, 441,632.68 and 176,767.84
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Solution
The fourth proportional to 320,035.51, 441,632.68 and 176,767.84 is: 243,930.60
Step by Step Solution
- Step 1: Write the proportion equation
320,035.51 : 441,632.68 = 176,767.84 : x - Step 2: Convert to fraction form
320,035.51/441,632.68 = 176,767.84/x - Step 3: Cross multiply
320,035.51x = 441,632.68 × 176,767.84 - Step 4: Simplify right side
320,035.51x = 78,066,454,917.01 - Step 5: Solve for x
x = 78,066,454,917.01/320,035.51 - Step 6: Final answer
x = 243,930.60
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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.