Finding the Fourth Proportional to 141,186.14, 210,533.76 and 121,590.62
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Solution
The fourth proportional to 141,186.14, 210,533.76 and 121,590.62 is: 181,313.33
Step by Step Solution
- Step 1: Write the proportion equation
141,186.14 : 210,533.76 = 121,590.62 : x - Step 2: Convert to fraction form
141,186.14/210,533.76 = 121,590.62/x - Step 3: Cross multiply
141,186.14x = 210,533.76 × 121,590.62 - Step 4: Simplify right side
141,186.14x = 25,598,929,801.38 - Step 5: Solve for x
x = 25,598,929,801.38/141,186.14 - Step 6: Final answer
x = 181,313.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.