Finding the Fourth Proportional to 150,537.40, 207,722.48 and 86,010.82
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Solution
The fourth proportional to 150,537.40, 207,722.48 and 86,010.82 is: 118,684.00
Step by Step Solution
- Step 1: Write the proportion equation
150,537.40 : 207,722.48 = 86,010.82 : x - Step 2: Convert to fraction form
150,537.40/207,722.48 = 86,010.82/x - Step 3: Cross multiply
150,537.40x = 207,722.48 × 86,010.82 - Step 4: Simplify right side
150,537.40x = 17,866,381,056.31 - Step 5: Solve for x
x = 17,866,381,056.31/150,537.40 - Step 6: Final answer
x = 118,684.00
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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.