Finding the Fourth Proportional to 159,577.11, 239,292.09 and 47,217.15
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Solution
The fourth proportional to 159,577.11, 239,292.09 and 47,217.15 is: 70,803.95
Step by Step Solution
- Step 1: Write the proportion equation
159,577.11 : 239,292.09 = 47,217.15 : x - Step 2: Convert to fraction form
159,577.11/239,292.09 = 47,217.15/x - Step 3: Cross multiply
159,577.11x = 239,292.09 × 47,217.15 - Step 4: Simplify right side
159,577.11x = 11,298,690,507.34 - Step 5: Solve for x
x = 11,298,690,507.34/159,577.11 - Step 6: Final answer
x = 70,803.95
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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.