Finding the Fourth Proportional to 155,213.80, 232,923.10 and 56,717.80
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Solution
The fourth proportional to 155,213.80, 232,923.10 and 56,717.80 is: 85,114.12
Step by Step Solution
- Step 1: Write the proportion equation
155,213.80 : 232,923.10 = 56,717.80 : x - Step 2: Convert to fraction form
155,213.80/232,923.10 = 56,717.80/x - Step 3: Cross multiply
155,213.80x = 232,923.10 × 56,717.80 - Step 4: Simplify right side
155,213.80x = 13,210,885,801.18 - Step 5: Solve for x
x = 13,210,885,801.18/155,213.80 - Step 6: Final answer
x = 85,114.12
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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.