Finding the Fourth Proportional to 372,203.61, 513,619.68 and 206,623.08
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Solution
The fourth proportional to 372,203.61, 513,619.68 and 206,623.08 is: 285,128.03
Step by Step Solution
- Step 1: Write the proportion equation
372,203.61 : 513,619.68 = 206,623.08 : x - Step 2: Convert to fraction form
372,203.61/513,619.68 = 206,623.08/x - Step 3: Cross multiply
372,203.61x = 513,619.68 × 206,623.08 - Step 4: Simplify right side
372,203.61x = 106,125,679,560.50 - Step 5: Solve for x
x = 106,125,679,560.50/372,203.61 - Step 6: Final answer
x = 285,128.03
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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.