Finding the Fourth Proportional to 248,867.80, 372,783.30 and 207,395.80
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Solution
The fourth proportional to 248,867.80, 372,783.30 and 207,395.80 is: 310,661.69
Step by Step Solution
- Step 1: Write the proportion equation
248,867.80 : 372,783.30 = 207,395.80 : x - Step 2: Convert to fraction form
248,867.80/372,783.30 = 207,395.80/x - Step 3: Cross multiply
248,867.80x = 372,783.30 × 207,395.80 - Step 4: Simplify right side
248,867.80x = 77,313,690,730.14 - Step 5: Solve for x
x = 77,313,690,730.14/248,867.80 - Step 6: Final answer
x = 310,661.69
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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.