Finding the Fourth Proportional to 357,143.16, 535,656.24 and 132,450.84
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Solution
The fourth proportional to 357,143.16, 535,656.24 and 132,450.84 is: 198,654.56
Step by Step Solution
- Step 1: Write the proportion equation
357,143.16 : 535,656.24 = 132,450.84 : x - Step 2: Convert to fraction form
357,143.16/535,656.24 = 132,450.84/x - Step 3: Cross multiply
357,143.16x = 535,656.24 × 132,450.84 - Step 4: Simplify right side
357,143.16x = 70,948,118,939.24 - Step 5: Solve for x
x = 70,948,118,939.24/357,143.16 - Step 6: Final answer
x = 198,654.56
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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.