Finding the Fourth Proportional to 558,879.64, 838,107.98 and 239,018.20
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Solution
The fourth proportional to 558,879.64, 838,107.98 and 239,018.20 is: 358,436.86
Step by Step Solution
- Step 1: Write the proportion equation
558,879.64 : 838,107.98 = 239,018.20 : x - Step 2: Convert to fraction form
558,879.64/838,107.98 = 239,018.20/x - Step 3: Cross multiply
558,879.64x = 838,107.98 × 239,018.20 - Step 4: Simplify right side
558,879.64x = 200,323,060,785.24 - Step 5: Solve for x
x = 200,323,060,785.24/558,879.64 - Step 6: Final answer
x = 358,436.86
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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.