Finding the Fourth Proportional to 150,652.48, 207,898.56 and 86,988.88
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Solution
The fourth proportional to 150,652.48, 207,898.56 and 86,988.88 is: 120,043.58
Step by Step Solution
- Step 1: Write the proportion equation
150,652.48 : 207,898.56 = 86,988.88 : x - Step 2: Convert to fraction form
150,652.48/207,898.56 = 86,988.88/x - Step 3: Cross multiply
150,652.48x = 207,898.56 × 86,988.88 - Step 4: Simplify right side
150,652.48x = 18,084,862,888.01 - Step 5: Solve for x
x = 18,084,862,888.01/150,652.48 - Step 6: Final answer
x = 120,043.58
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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.