Finding the Fourth Proportional to 315,663.81, 435,568.26 and 177,823.09
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Solution
The fourth proportional to 315,663.81, 435,568.26 and 177,823.09 is: 245,368.94
Step by Step Solution
- Step 1: Write the proportion equation
315,663.81 : 435,568.26 = 177,823.09 : x - Step 2: Convert to fraction form
315,663.81/435,568.26 = 177,823.09/x - Step 3: Cross multiply
315,663.81x = 435,568.26 × 177,823.09 - Step 4: Simplify right side
315,663.81x = 77,454,094,022.71 - Step 5: Solve for x
x = 77,454,094,022.71/315,663.81 - Step 6: Final answer
x = 245,368.94
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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.