Finding the Fourth Proportional to 230,817.93, 318,672.68 and 149,188.84
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Solution
The fourth proportional to 230,817.93, 318,672.68 and 149,188.84 is: 205,973.63
Step by Step Solution
- Step 1: Write the proportion equation
230,817.93 : 318,672.68 = 149,188.84 : x - Step 2: Convert to fraction form
230,817.93/318,672.68 = 149,188.84/x - Step 3: Cross multiply
230,817.93x = 318,672.68 × 149,188.84 - Step 4: Simplify right side
230,817.93x = 47,542,406,722.95 - Step 5: Solve for x
x = 47,542,406,722.95/230,817.93 - Step 6: Final answer
x = 205,973.63
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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.