Finding the Fourth Proportional to 343,266.39, 473,693.67 and 190,306.80
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Solution
The fourth proportional to 343,266.39, 473,693.67 and 190,306.80 is: 262,615.65
Step by Step Solution
- Step 1: Write the proportion equation
343,266.39 : 473,693.67 = 190,306.80 : x - Step 2: Convert to fraction form
343,266.39/473,693.67 = 190,306.80/x - Step 3: Cross multiply
343,266.39x = 473,693.67 × 190,306.80 - Step 4: Simplify right side
343,266.39x = 90,147,126,517.96 - Step 5: Solve for x
x = 90,147,126,517.96/343,266.39 - Step 6: Final answer
x = 262,615.65
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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.