Finding the Fourth Proportional to 168,816.14, 232,986.36 and 97,210.11
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Solution
The fourth proportional to 168,816.14, 232,986.36 and 97,210.11 is: 134,161.52
Step by Step Solution
- Step 1: Write the proportion equation
168,816.14 : 232,986.36 = 97,210.11 : x - Step 2: Convert to fraction form
168,816.14/232,986.36 = 97,210.11/x - Step 3: Cross multiply
168,816.14x = 232,986.36 × 97,210.11 - Step 4: Simplify right side
168,816.14x = 22,648,629,684.10 - Step 5: Solve for x
x = 22,648,629,684.10/168,816.14 - Step 6: Final answer
x = 134,161.52
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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.