Finding the Fourth Proportional to 318,621.19, 439,739.23 and 191,304.98
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Solution
The fourth proportional to 318,621.19, 439,739.23 and 191,304.98 is: 264,026.09
Step by Step Solution
- Step 1: Write the proportion equation
318,621.19 : 439,739.23 = 191,304.98 : x - Step 2: Convert to fraction form
318,621.19/439,739.23 = 191,304.98/x - Step 3: Cross multiply
318,621.19x = 439,739.23 × 191,304.98 - Step 4: Simplify right side
318,621.19x = 84,124,305,221.45 - Step 5: Solve for x
x = 84,124,305,221.45/318,621.19 - Step 6: Final answer
x = 264,026.09
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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.