Finding the Fourth Proportional to 316,559.80, 436,852.58 and 173,319.88
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Solution
The fourth proportional to 316,559.80, 436,852.58 and 173,319.88 is: 239,181.47
Step by Step Solution
- Step 1: Write the proportion equation
316,559.80 : 436,852.58 = 173,319.88 : x - Step 2: Convert to fraction form
316,559.80/436,852.58 = 173,319.88/x - Step 3: Cross multiply
316,559.80x = 436,852.58 × 173,319.88 - Step 4: Simplify right side
316,559.80x = 75,715,236,743.29 - Step 5: Solve for x
x = 75,715,236,743.29/316,559.80 - Step 6: Final answer
x = 239,181.47
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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.