Finding the Fourth Proportional to 238,593.24, 357,830.84 and 142,556.68
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Solution
The fourth proportional to 238,593.24, 357,830.84 and 142,556.68 is: 213,799.76
Step by Step Solution
- Step 1: Write the proportion equation
238,593.24 : 357,830.84 = 142,556.68 : x - Step 2: Convert to fraction form
238,593.24/357,830.84 = 142,556.68/x - Step 3: Cross multiply
238,593.24x = 357,830.84 × 142,556.68 - Step 4: Simplify right side
238,593.24x = 51,011,176,552.01 - Step 5: Solve for x
x = 51,011,176,552.01/238,593.24 - Step 6: Final answer
x = 213,799.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.