Finding the Fourth Proportional to 289,584.26, 399,626.40 and 176,407.01
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Solution
The fourth proportional to 289,584.26, 399,626.40 and 176,407.01 is: 243,441.75
Step by Step Solution
- Step 1: Write the proportion equation
289,584.26 : 399,626.40 = 176,407.01 : x - Step 2: Convert to fraction form
289,584.26/399,626.40 = 176,407.01/x - Step 3: Cross multiply
289,584.26x = 399,626.40 × 176,407.01 - Step 4: Simplify right side
289,584.26x = 70,496,898,341.06 - Step 5: Solve for x
x = 70,496,898,341.06/289,584.26 - Step 6: Final answer
x = 243,441.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.