Finding the Fourth Proportional to 254,814.12, 381,389.47 and 187,328.29
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Solution
The fourth proportional to 254,814.12, 381,389.47 and 187,328.29 is: 280,380.99
Step by Step Solution
- Step 1: Write the proportion equation
254,814.12 : 381,389.47 = 187,328.29 : x - Step 2: Convert to fraction form
254,814.12/381,389.47 = 187,328.29/x - Step 3: Cross multiply
254,814.12x = 381,389.47 × 187,328.29 - Step 4: Simplify right side
254,814.12x = 71,445,035,817.31 - Step 5: Solve for x
x = 71,445,035,817.31/254,814.12 - Step 6: Final answer
x = 280,380.99
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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.