Finding the Fourth Proportional to 316,373.20, 436,595.04 and 173,133.32
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Solution
The fourth proportional to 316,373.20, 436,595.04 and 173,133.32 is: 238,923.99
Step by Step Solution
- Step 1: Write the proportion equation
316,373.20 : 436,595.04 = 173,133.32 : x - Step 2: Convert to fraction form
316,373.20/436,595.04 = 173,133.32/x - Step 3: Cross multiply
316,373.20x = 436,595.04 × 173,133.32 - Step 4: Simplify right side
316,373.20x = 75,589,148,770.73 - Step 5: Solve for x
x = 75,589,148,770.73/316,373.20 - Step 6: Final answer
x = 238,923.99
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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.