Finding the Fourth Proportional to 134,313.85, 201,889.14 and 84,712.69
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Solution
The fourth proportional to 134,313.85, 201,889.14 and 84,712.69 is: 127,332.90
Step by Step Solution
- Step 1: Write the proportion equation
134,313.85 : 201,889.14 = 84,712.69 : x - Step 2: Convert to fraction form
134,313.85/201,889.14 = 84,712.69/x - Step 3: Cross multiply
134,313.85x = 201,889.14 × 84,712.69 - Step 4: Simplify right side
134,313.85x = 17,102,572,131.19 - Step 5: Solve for x
x = 17,102,572,131.19/134,313.85 - Step 6: Final answer
x = 127,332.90
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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.