Finding the Fourth Proportional to 159,624.74, 239,471.76 and 79,705.70
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Solution
The fourth proportional to 159,624.74, 239,471.76 and 79,705.70 is: 119,575.85
Step by Step Solution
- Step 1: Write the proportion equation
159,624.74 : 239,471.76 = 79,705.70 : x - Step 2: Convert to fraction form
159,624.74/239,471.76 = 79,705.70/x - Step 3: Cross multiply
159,624.74x = 239,471.76 × 79,705.70 - Step 4: Simplify right side
159,624.74x = 19,087,264,261.03 - Step 5: Solve for x
x = 19,087,264,261.03/159,624.74 - Step 6: Final answer
x = 119,575.85
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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.