Finding the Fourth Proportional to 159,970.12, 240,201.80 and 135,333.88
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Solution
The fourth proportional to 159,970.12, 240,201.80 and 135,333.88 is: 203,209.46
Step by Step Solution
- Step 1: Write the proportion equation
159,970.12 : 240,201.80 = 135,333.88 : x - Step 2: Convert to fraction form
159,970.12/240,201.80 = 135,333.88/x - Step 3: Cross multiply
159,970.12x = 240,201.80 × 135,333.88 - Step 4: Simplify right side
159,970.12x = 32,507,441,576.98 - Step 5: Solve for x
x = 32,507,441,576.98/159,970.12 - Step 6: Final answer
x = 203,209.46
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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.