Finding the Fourth Proportional to 325,623.47, 488,750.49 and 157,262.13
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Solution
The fourth proportional to 325,623.47, 488,750.49 and 157,262.13 is: 236,045.47
Step by Step Solution
- Step 1: Write the proportion equation
325,623.47 : 488,750.49 = 157,262.13 : x - Step 2: Convert to fraction form
325,623.47/488,750.49 = 157,262.13/x - Step 3: Cross multiply
325,623.47x = 488,750.49 × 157,262.13 - Step 4: Simplify right side
325,623.47x = 76,861,943,095.94 - Step 5: Solve for x
x = 76,861,943,095.94/325,623.47 - Step 6: Final answer
x = 236,045.47
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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.