Finding the Fourth Proportional to 681,384.32, 1,022,276.06 and 201,624.26
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Solution
The fourth proportional to 681,384.32, 1,022,276.06 and 201,624.26 is: 302,495.45
Step by Step Solution
- Step 1: Write the proportion equation
681,384.32 : 1,022,276.06 = 201,624.26 : x - Step 2: Convert to fraction form
681,384.32/1,022,276.06 = 201,624.26/x - Step 3: Cross multiply
681,384.32x = 1,022,276.06 × 201,624.26 - Step 4: Simplify right side
681,384.32x = 206,115,654,113.22 - Step 5: Solve for x
x = 206,115,654,113.22/681,384.32 - Step 6: Final answer
x = 302,495.45
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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.