Finding the Fourth Proportional to 383,139.99, 528,180.75 and 268,062.08
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Solution
The fourth proportional to 383,139.99, 528,180.75 and 268,062.08 is: 369,539.15
Step by Step Solution
- Step 1: Write the proportion equation
383,139.99 : 528,180.75 = 268,062.08 : x - Step 2: Convert to fraction form
383,139.99/528,180.75 = 268,062.08/x - Step 3: Cross multiply
383,139.99x = 528,180.75 × 268,062.08 - Step 4: Simplify right side
383,139.99x = 141,585,227,820.06 - Step 5: Solve for x
x = 141,585,227,820.06/383,139.99 - Step 6: Final answer
x = 369,539.15
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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.