Finding the Fourth Proportional to 320,565.65, 442,381.49 and 177,325.68
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Solution
The fourth proportional to 320,565.65, 442,381.49 and 177,325.68 is: 244,709.93
Step by Step Solution
- Step 1: Write the proportion equation
320,565.65 : 442,381.49 = 177,325.68 : x - Step 2: Convert to fraction form
320,565.65/442,381.49 = 177,325.68/x - Step 3: Cross multiply
320,565.65x = 442,381.49 × 177,325.68 - Step 4: Simplify right side
320,565.65x = 78,445,597,647.03 - Step 5: Solve for x
x = 78,445,597,647.03/320,565.65 - Step 6: Final answer
x = 244,709.93
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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.