Finding the Fourth Proportional to 381,395.58, 526,325.88 and 211,657.02
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Solution
The fourth proportional to 381,395.58, 526,325.88 and 211,657.02 is: 292,086.68
Step by Step Solution
- Step 1: Write the proportion equation
381,395.58 : 526,325.88 = 211,657.02 : x - Step 2: Convert to fraction form
381,395.58/526,325.88 = 211,657.02/x - Step 3: Cross multiply
381,395.58x = 526,325.88 × 211,657.02 - Step 4: Simplify right side
381,395.58x = 111,400,567,309.68 - Step 5: Solve for x
x = 111,400,567,309.68/381,395.58 - Step 6: Final answer
x = 292,086.68
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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.