Finding the Fourth Proportional to 357,925.20, 493,937.09 and 196,782.99
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Solution
The fourth proportional to 357,925.20, 493,937.09 and 196,782.99 is: 271,560.69
Step by Step Solution
- Step 1: Write the proportion equation
357,925.20 : 493,937.09 = 196,782.99 : x - Step 2: Convert to fraction form
357,925.20/493,937.09 = 196,782.99/x - Step 3: Cross multiply
357,925.20x = 493,937.09 × 196,782.99 - Step 4: Simplify right side
357,925.20x = 97,198,413,988.50 - Step 5: Solve for x
x = 97,198,413,988.50/357,925.20 - Step 6: Final answer
x = 271,560.69
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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.