Finding the Fourth Proportional to 434,162.53, 651,337.35 and 134,637.09
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Solution
The fourth proportional to 434,162.53, 651,337.35 and 134,637.09 is: 201,984.65
Step by Step Solution
- Step 1: Write the proportion equation
434,162.53 : 651,337.35 = 134,637.09 : x - Step 2: Convert to fraction form
434,162.53/651,337.35 = 134,637.09/x - Step 3: Cross multiply
434,162.53x = 651,337.35 × 134,637.09 - Step 4: Simplify right side
434,162.53x = 87,694,165,412.31 - Step 5: Solve for x
x = 87,694,165,412.31/434,162.53 - Step 6: Final answer
x = 201,984.65
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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.