Finding the Fourth Proportional to 207,347.04, 285,877.35 and 135,613.44
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Solution
The fourth proportional to 207,347.04, 285,877.35 and 135,613.44 is: 186,975.47
Step by Step Solution
- Step 1: Write the proportion equation
207,347.04 : 285,877.35 = 135,613.44 : x - Step 2: Convert to fraction form
207,347.04/285,877.35 = 135,613.44/x - Step 3: Cross multiply
207,347.04x = 285,877.35 × 135,613.44 - Step 4: Simplify right side
207,347.04x = 38,768,810,851.58 - Step 5: Solve for x
x = 38,768,810,851.58/207,347.04 - Step 6: Final answer
x = 186,975.47
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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.