Finding the Fourth Proportional to 426,446.64, 588,489.30 and 235,455.12
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Solution
The fourth proportional to 426,446.64, 588,489.30 and 235,455.12 is: 324,924.17
Step by Step Solution
- Step 1: Write the proportion equation
426,446.64 : 588,489.30 = 235,455.12 : x - Step 2: Convert to fraction form
426,446.64/588,489.30 = 235,455.12/x - Step 3: Cross multiply
426,446.64x = 588,489.30 × 235,455.12 - Step 4: Simplify right side
426,446.64x = 138,562,818,750.22 - Step 5: Solve for x
x = 138,562,818,750.22/426,446.64 - Step 6: Final answer
x = 324,924.17
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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.