Finding the Fourth Proportional to 145,162.97, 217,659.70 and 56,312.65
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Solution
The fourth proportional to 145,162.97, 217,659.70 and 56,312.65 is: 84,436.09
Step by Step Solution
- Step 1: Write the proportion equation
145,162.97 : 217,659.70 = 56,312.65 : x - Step 2: Convert to fraction form
145,162.97/217,659.70 = 56,312.65/x - Step 3: Cross multiply
145,162.97x = 217,659.70 × 56,312.65 - Step 4: Simplify right side
145,162.97x = 12,256,993,135.34 - Step 5: Solve for x
x = 12,256,993,135.34/145,162.97 - Step 6: Final answer
x = 84,436.09
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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.