Finding the Fourth Proportional to 178,220.36, 245,934.68 and 101,736.42
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Solution
The fourth proportional to 178,220.36, 245,934.68 and 101,736.42 is: 140,390.88
Step by Step Solution
- Step 1: Write the proportion equation
178,220.36 : 245,934.68 = 101,736.42 : x - Step 2: Convert to fraction form
178,220.36/245,934.68 = 101,736.42/x - Step 3: Cross multiply
178,220.36x = 245,934.68 × 101,736.42 - Step 4: Simplify right side
178,220.36x = 25,020,513,897.05 - Step 5: Solve for x
x = 25,020,513,897.05/178,220.36 - Step 6: Final answer
x = 140,390.88
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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.