Finding the Fourth Proportional to 230,135.36, 345,257.36 and 72,363.82
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Solution
The fourth proportional to 230,135.36, 345,257.36 and 72,363.82 is: 108,562.81
Step by Step Solution
- Step 1: Write the proportion equation
230,135.36 : 345,257.36 = 72,363.82 : x - Step 2: Convert to fraction form
230,135.36/345,257.36 = 72,363.82/x - Step 3: Cross multiply
230,135.36x = 345,257.36 × 72,363.82 - Step 4: Simplify right side
230,135.36x = 24,984,140,864.48 - Step 5: Solve for x
x = 24,984,140,864.48/230,135.36 - Step 6: Final answer
x = 108,562.81
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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.