Finding the Fourth Proportional to 195,555.68, 269,866.89 and 106,131.68
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Solution
The fourth proportional to 195,555.68, 269,866.89 and 106,131.68 is: 146,461.75
Step by Step Solution
- Step 1: Write the proportion equation
195,555.68 : 269,866.89 = 106,131.68 : x - Step 2: Convert to fraction form
195,555.68/269,866.89 = 106,131.68/x - Step 3: Cross multiply
195,555.68x = 269,866.89 × 106,131.68 - Step 4: Simplify right side
195,555.68x = 28,641,426,412.08 - Step 5: Solve for x
x = 28,641,426,412.08/195,555.68 - Step 6: Final answer
x = 146,461.75
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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.