Finding the Fourth Proportional to 658,440.99, 908,642.88 and 356,634.99
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Solution
The fourth proportional to 658,440.99, 908,642.88 and 356,634.99 is: 492,153.21
Step by Step Solution
- Step 1: Write the proportion equation
658,440.99 : 908,642.88 = 356,634.99 : x - Step 2: Convert to fraction form
658,440.99/908,642.88 = 356,634.99/x - Step 3: Cross multiply
658,440.99x = 908,642.88 × 356,634.99 - Step 4: Simplify right side
658,440.99x = 324,053,844,422.37 - Step 5: Solve for x
x = 324,053,844,422.37/658,440.99 - Step 6: Final answer
x = 492,153.21
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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.