Finding the Fourth Proportional to 159,292.80, 239,068.80 and 154,108.80
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Solution
The fourth proportional to 159,292.80, 239,068.80 and 154,108.80 is: 231,288.58
Step by Step Solution
- Step 1: Write the proportion equation
159,292.80 : 239,068.80 = 154,108.80 : x - Step 2: Convert to fraction form
159,292.80/239,068.80 = 154,108.80/x - Step 3: Cross multiply
159,292.80x = 239,068.80 × 154,108.80 - Step 4: Simplify right side
159,292.80x = 36,842,605,885.44 - Step 5: Solve for x
x = 36,842,605,885.44/159,292.80 - Step 6: Final answer
x = 231,288.58
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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.