Finding the Fourth Proportional to 382,764.14, 528,378.12 and 272,454.59
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Solution
The fourth proportional to 382,764.14, 528,378.12 and 272,454.59 is: 376,103.79
Step by Step Solution
- Step 1: Write the proportion equation
382,764.14 : 528,378.12 = 272,454.59 : x - Step 2: Convert to fraction form
382,764.14/528,378.12 = 272,454.59/x - Step 3: Cross multiply
382,764.14x = 528,378.12 × 272,454.59 - Step 4: Simplify right side
382,764.14x = 143,959,041,407.68 - Step 5: Solve for x
x = 143,959,041,407.68/382,764.14 - Step 6: Final answer
x = 376,103.79
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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.