Finding the Fourth Proportional to 387,937.08, 581,905.62 and 107,454.42
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Solution
The fourth proportional to 387,937.08, 581,905.62 and 107,454.42 is: 161,181.63
Step by Step Solution
- Step 1: Write the proportion equation
387,937.08 : 581,905.62 = 107,454.42 : x - Step 2: Convert to fraction form
387,937.08/581,905.62 = 107,454.42/x - Step 3: Cross multiply
387,937.08x = 581,905.62 × 107,454.42 - Step 4: Simplify right side
387,937.08x = 62,528,330,891.84 - Step 5: Solve for x
x = 62,528,330,891.84/387,937.08 - Step 6: Final answer
x = 161,181.63
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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.