Finding the Fourth Proportional to 159,526.80, 239,289.12 and 76,168.08
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Solution
The fourth proportional to 159,526.80, 239,289.12 and 76,168.08 is: 114,251.60
Step by Step Solution
- Step 1: Write the proportion equation
159,526.80 : 239,289.12 = 76,168.08 : x - Step 2: Convert to fraction form
159,526.80/239,289.12 = 76,168.08/x - Step 3: Cross multiply
159,526.80x = 239,289.12 × 76,168.08 - Step 4: Simplify right side
159,526.80x = 18,226,192,835.29 - Step 5: Solve for x
x = 18,226,192,835.29/159,526.80 - Step 6: Final answer
x = 114,251.60
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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.