Finding the Fourth Proportional to 134,935.24, 202,526.34 and 68,421.28
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Solution
The fourth proportional to 134,935.24, 202,526.34 and 68,421.28 is: 102,694.53
Step by Step Solution
- Step 1: Write the proportion equation
134,935.24 : 202,526.34 = 68,421.28 : x - Step 2: Convert to fraction form
134,935.24/202,526.34 = 68,421.28/x - Step 3: Cross multiply
134,935.24x = 202,526.34 × 68,421.28 - Step 4: Simplify right side
134,935.24x = 13,857,111,416.52 - Step 5: Solve for x
x = 13,857,111,416.52/134,935.24 - Step 6: Final answer
x = 102,694.53
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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.