Finding the Fourth Proportional to 399,830.24, 599,449.08 and 242,021.36
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Solution
The fourth proportional to 399,830.24, 599,449.08 and 242,021.36 is: 362,852.70
Step by Step Solution
- Step 1: Write the proportion equation
399,830.24 : 599,449.08 = 242,021.36 : x - Step 2: Convert to fraction form
399,830.24/599,449.08 = 242,021.36/x - Step 3: Cross multiply
399,830.24x = 599,449.08 × 242,021.36 - Step 4: Simplify right side
399,830.24x = 145,079,481,592.35 - Step 5: Solve for x
x = 145,079,481,592.35/399,830.24 - Step 6: Final answer
x = 362,852.70
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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.