Finding the Fourth Proportional to 159,750.45, 239,659.70 and 47,430.99
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Solution
The fourth proportional to 159,750.45, 239,659.70 and 47,430.99 is: 71,156.59
Step by Step Solution
- Step 1: Write the proportion equation
159,750.45 : 239,659.70 = 47,430.99 : x - Step 2: Convert to fraction form
159,750.45/239,659.70 = 47,430.99/x - Step 3: Cross multiply
159,750.45x = 239,659.70 × 47,430.99 - Step 4: Simplify right side
159,750.45x = 11,367,296,596.95 - Step 5: Solve for x
x = 11,367,296,596.95/159,750.45 - Step 6: Final answer
x = 71,156.59
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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.