Finding the Fourth Proportional to 342,862.23, 473,178.60 and 199,631.97
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Solution
The fourth proportional to 342,862.23, 473,178.60 and 199,631.97 is: 275,508.84
Step by Step Solution
- Step 1: Write the proportion equation
342,862.23 : 473,178.60 = 199,631.97 : x - Step 2: Convert to fraction form
342,862.23/473,178.60 = 199,631.97/x - Step 3: Cross multiply
342,862.23x = 473,178.60 × 199,631.97 - Step 4: Simplify right side
342,862.23x = 94,461,576,079.84 - Step 5: Solve for x
x = 94,461,576,079.84/342,862.23 - Step 6: Final answer
x = 275,508.84
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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.