Finding the Fourth Proportional to 134,785.30, 202,344.35 and 84,865.30
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Solution
The fourth proportional to 134,785.30, 202,344.35 and 84,865.30 is: 127,402.72
Step by Step Solution
- Step 1: Write the proportion equation
134,785.30 : 202,344.35 = 84,865.30 : x - Step 2: Convert to fraction form
134,785.30/202,344.35 = 84,865.30/x - Step 3: Cross multiply
134,785.30x = 202,344.35 × 84,865.30 - Step 4: Simplify right side
134,785.30x = 17,172,013,966.06 - Step 5: Solve for x
x = 17,172,013,966.06/134,785.30 - Step 6: Final answer
x = 127,402.72
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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.