Finding the Fourth Proportional to 159,539.11, 239,307.96 and 47,219.79
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Solution
The fourth proportional to 159,539.11, 239,307.96 and 47,219.79 is: 70,829.48
Step by Step Solution
- Step 1: Write the proportion equation
159,539.11 : 239,307.96 = 47,219.79 : x - Step 2: Convert to fraction form
159,539.11/239,307.96 = 47,219.79/x - Step 3: Cross multiply
159,539.11x = 239,307.96 × 47,219.79 - Step 4: Simplify right side
159,539.11x = 11,300,072,691.01 - Step 5: Solve for x
x = 11,300,072,691.01/159,539.11 - Step 6: Final answer
x = 70,829.48
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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.