Finding the Fourth Proportional to 179,457.08, 247,639.61 and 98,880.09
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Solution
The fourth proportional to 179,457.08, 247,639.61 and 98,880.09 is: 136,448.38
Step by Step Solution
- Step 1: Write the proportion equation
179,457.08 : 247,639.61 = 98,880.09 : x - Step 2: Convert to fraction form
179,457.08/247,639.61 = 98,880.09/x - Step 3: Cross multiply
179,457.08x = 247,639.61 × 98,880.09 - Step 4: Simplify right side
179,457.08x = 24,486,626,429.96 - Step 5: Solve for x
x = 24,486,626,429.96/179,457.08 - Step 6: Final answer
x = 136,448.38
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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.