Finding the Fourth Proportional to 137,445.65, 206,200.73 and 42,670.99
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Solution
The fourth proportional to 137,445.65, 206,200.73 and 42,670.99 is: 64,016.49
Step by Step Solution
- Step 1: Write the proportion equation
137,445.65 : 206,200.73 = 42,670.99 : x - Step 2: Convert to fraction form
137,445.65/206,200.73 = 42,670.99/x - Step 3: Cross multiply
137,445.65x = 206,200.73 × 42,670.99 - Step 4: Simplify right side
137,445.65x = 8,798,788,256.82 - Step 5: Solve for x
x = 8,798,788,256.82/137,445.65 - Step 6: Final answer
x = 64,016.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.