Finding the Fourth Proportional to 381,347.36, 526,335.84 and 220,228.64
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Solution
The fourth proportional to 381,347.36, 526,335.84 and 220,228.64 is: 303,959.69
Step by Step Solution
- Step 1: Write the proportion equation
381,347.36 : 526,335.84 = 220,228.64 : x - Step 2: Convert to fraction form
381,347.36/526,335.84 = 220,228.64/x - Step 3: Cross multiply
381,347.36x = 526,335.84 × 220,228.64 - Step 4: Simplify right side
381,347.36x = 115,914,226,226.46 - Step 5: Solve for x
x = 115,914,226,226.46/381,347.36 - Step 6: Final answer
x = 303,959.69
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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.