Finding the Fourth Proportional to 147,293.91, 203,266.97 and 83,633.07
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Solution
The fourth proportional to 147,293.91, 203,266.97 and 83,633.07 is: 115,414.41
Step by Step Solution
- Step 1: Write the proportion equation
147,293.91 : 203,266.97 = 83,633.07 : x - Step 2: Convert to fraction form
147,293.91/203,266.97 = 83,633.07/x - Step 3: Cross multiply
147,293.91x = 203,266.97 × 83,633.07 - Step 4: Simplify right side
147,293.91x = 16,999,840,312.53 - Step 5: Solve for x
x = 16,999,840,312.53/147,293.91 - Step 6: Final answer
x = 115,414.41
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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.