Finding the Fourth Proportional to 458,051.99, 632,115.57 and 254,116.20
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Solution
The fourth proportional to 458,051.99, 632,115.57 and 254,116.20 is: 350,682.48
Step by Step Solution
- Step 1: Write the proportion equation
458,051.99 : 632,115.57 = 254,116.20 : x - Step 2: Convert to fraction form
458,051.99/632,115.57 = 254,116.20/x - Step 3: Cross multiply
458,051.99x = 632,115.57 × 254,116.20 - Step 4: Simplify right side
458,051.99x = 160,630,806,609.23 - Step 5: Solve for x
x = 160,630,806,609.23/458,051.99 - Step 6: Final answer
x = 350,682.48
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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.