Finding the Fourth Proportional to 305,698.64, 458,236.92 and 283,070.48
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Solution
The fourth proportional to 305,698.64, 458,236.92 and 283,070.48 is: 424,317.70
Step by Step Solution
- Step 1: Write the proportion equation
305,698.64 : 458,236.92 = 283,070.48 : x - Step 2: Convert to fraction form
305,698.64/458,236.92 = 283,070.48/x - Step 3: Cross multiply
305,698.64x = 458,236.92 × 283,070.48 - Step 4: Simplify right side
305,698.64x = 129,713,344,898.12 - Step 5: Solve for x
x = 129,713,344,898.12/305,698.64 - Step 6: Final answer
x = 424,317.70
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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.