Finding the Fourth Proportional to 248,135.10, 372,202.65 and 209,643.90
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Solution
The fourth proportional to 248,135.10, 372,202.65 and 209,643.90 is: 314,465.85
Step by Step Solution
- Step 1: Write the proportion equation
248,135.10 : 372,202.65 = 209,643.90 : x - Step 2: Convert to fraction form
248,135.10/372,202.65 = 209,643.90/x - Step 3: Cross multiply
248,135.10x = 372,202.65 × 209,643.90 - Step 4: Simplify right side
248,135.10x = 78,030,015,136.34 - Step 5: Solve for x
x = 78,030,015,136.34/248,135.10 - Step 6: Final answer
x = 314,465.85
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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.