Finding the Fourth Proportional to 159,850.80, 239,905.80 and 154,666.80
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Solution
The fourth proportional to 159,850.80, 239,905.80 and 154,666.80 is: 232,125.60
Step by Step Solution
- Step 1: Write the proportion equation
159,850.80 : 239,905.80 = 154,666.80 : x - Step 2: Convert to fraction form
159,850.80/239,905.80 = 154,666.80/x - Step 3: Cross multiply
159,850.80x = 239,905.80 × 154,666.80 - Step 4: Simplify right side
159,850.80x = 37,105,462,387.44 - Step 5: Solve for x
x = 37,105,462,387.44/159,850.80 - Step 6: Final answer
x = 232,125.60
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1.5x scale
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.