Finding the Fourth Proportional to 227,299.36, 313,710.08 and 136,746.84
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Solution
The fourth proportional to 227,299.36, 313,710.08 and 136,746.84 is: 188,732.88
Step by Step Solution
- Step 1: Write the proportion equation
227,299.36 : 313,710.08 = 136,746.84 : x - Step 2: Convert to fraction form
227,299.36/313,710.08 = 136,746.84/x - Step 3: Cross multiply
227,299.36x = 313,710.08 × 136,746.84 - Step 4: Simplify right side
227,299.36x = 42,898,862,116.15 - Step 5: Solve for x
x = 42,898,862,116.15/227,299.36 - Step 6: Final answer
x = 188,732.88
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1.5x scale
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.