Finding the Fourth Proportional to 159,803.22, 239,811.84 and 66,309.06
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Solution
The fourth proportional to 159,803.22, 239,811.84 and 66,309.06 is: 99,507.99
Step by Step Solution
- Step 1: Write the proportion equation
159,803.22 : 239,811.84 = 66,309.06 : x - Step 2: Convert to fraction form
159,803.22/239,811.84 = 66,309.06/x - Step 3: Cross multiply
159,803.22x = 239,811.84 × 66,309.06 - Step 4: Simplify right side
159,803.22x = 15,901,697,687.27 - Step 5: Solve for x
x = 15,901,697,687.27/159,803.22 - Step 6: Final answer
x = 99,507.99
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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.