Finding the Fourth Proportional to 545,361.12, 752,589.36 and 319,044.96
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Solution
The fourth proportional to 545,361.12, 752,589.36 and 319,044.96 is: 440,276.79
Step by Step Solution
- Step 1: Write the proportion equation
545,361.12 : 752,589.36 = 319,044.96 : x - Step 2: Convert to fraction form
545,361.12/752,589.36 = 319,044.96/x - Step 3: Cross multiply
545,361.12x = 752,589.36 × 319,044.96 - Step 4: Simplify right side
545,361.12x = 240,109,842,257.63 - Step 5: Solve for x
x = 240,109,842,257.63/545,361.12 - Step 6: Final answer
x = 440,276.79
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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.