Finding the Fourth Proportional to 243,353.66, 335,794.68 and 135,909.99
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Solution
The fourth proportional to 243,353.66, 335,794.68 and 135,909.99 is: 187,537.15
Step by Step Solution
- Step 1: Write the proportion equation
243,353.66 : 335,794.68 = 135,909.99 : x - Step 2: Convert to fraction form
243,353.66/335,794.68 = 135,909.99/x - Step 3: Cross multiply
243,353.66x = 335,794.68 × 135,909.99 - Step 4: Simplify right side
243,353.66x = 45,637,851,600.85 - Step 5: Solve for x
x = 45,637,851,600.85/243,353.66 - Step 6: Final answer
x = 187,537.15
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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.