Finding the Fourth Proportional to 316,590.58, 436,890.66 and 173,350.63
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Solution
The fourth proportional to 316,590.58, 436,890.66 and 173,350.63 is: 239,221.50
Step by Step Solution
- Step 1: Write the proportion equation
316,590.58 : 436,890.66 = 173,350.63 : x - Step 2: Convert to fraction form
316,590.58/436,890.66 = 173,350.63/x - Step 3: Cross multiply
316,590.58x = 436,890.66 × 173,350.63 - Step 4: Simplify right side
316,590.58x = 75,735,272,023.26 - Step 5: Solve for x
x = 75,735,272,023.26/316,590.58 - Step 6: Final answer
x = 239,221.50
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1.5x scale
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.