Finding the Fourth Proportional to 238,239.11, 328,775.14 and 130,816.06
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Solution
The fourth proportional to 238,239.11, 328,775.14 and 130,816.06 is: 180,529.00
Step by Step Solution
- Step 1: Write the proportion equation
238,239.11 : 328,775.14 = 130,816.06 : x - Step 2: Convert to fraction form
238,239.11/328,775.14 = 130,816.06/x - Step 3: Cross multiply
238,239.11x = 328,775.14 × 130,816.06 - Step 4: Simplify right side
238,239.11x = 43,009,068,440.75 - Step 5: Solve for x
x = 43,009,068,440.75/238,239.11 - Step 6: Final answer
x = 180,529.00
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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.