Finding the Fourth Proportional to 357,697.24, 493,593.30 and 206,803.96
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Solution
The fourth proportional to 357,697.24, 493,593.30 and 206,803.96 is: 285,372.76
Step by Step Solution
- Step 1: Write the proportion equation
357,697.24 : 493,593.30 = 206,803.96 : x - Step 2: Convert to fraction form
357,697.24/493,593.30 = 206,803.96/x - Step 3: Cross multiply
357,697.24x = 493,593.30 × 206,803.96 - Step 4: Simplify right side
357,697.24x = 102,077,049,069.47 - Step 5: Solve for x
x = 102,077,049,069.47/357,697.24 - Step 6: Final answer
x = 285,372.76
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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.