Finding the Fourth Proportional to 163,607.16, 245,541.99 and 84,743.94
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Solution
The fourth proportional to 163,607.16, 245,541.99 and 84,743.94 is: 127,183.89
Step by Step Solution
- Step 1: Write the proportion equation
163,607.16 : 245,541.99 = 84,743.94 : x - Step 2: Convert to fraction form
163,607.16/245,541.99 = 84,743.94/x - Step 3: Cross multiply
163,607.16x = 245,541.99 × 84,743.94 - Step 4: Simplify right side
163,607.16x = 20,808,195,668.04 - Step 5: Solve for x
x = 20,808,195,668.04/163,607.16 - Step 6: Final answer
x = 127,183.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.