Finding the Fourth Proportional to 243,344.01, 335,792.88 and 135,899.13
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Solution
The fourth proportional to 243,344.01, 335,792.88 and 135,899.13 is: 187,528.59
Step by Step Solution
- Step 1: Write the proportion equation
243,344.01 : 335,792.88 = 135,899.13 : x - Step 2: Convert to fraction form
243,344.01/335,792.88 = 135,899.13/x - Step 3: Cross multiply
243,344.01x = 335,792.88 × 135,899.13 - Step 4: Simplify right side
243,344.01x = 45,633,960,252.19 - Step 5: Solve for x
x = 45,633,960,252.19/243,344.01 - Step 6: Final answer
x = 187,528.59
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1.5x scale
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.