Finding the Fourth Proportional to 357,771.42, 536,651.65 and 91,529.68
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Solution
The fourth proportional to 357,771.42, 536,651.65 and 91,529.68 is: 137,293.12
Step by Step Solution
- Step 1: Write the proportion equation
357,771.42 : 536,651.65 = 91,529.68 : x - Step 2: Convert to fraction form
357,771.42/536,651.65 = 91,529.68/x - Step 3: Cross multiply
357,771.42x = 536,651.65 × 91,529.68 - Step 4: Simplify right side
357,771.42x = 49,119,553,795.97 - Step 5: Solve for x
x = 49,119,553,795.97/357,771.42 - Step 6: Final answer
x = 137,293.12
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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.