Finding the Fourth Proportional to 159,337.68, 239,154.21 and 80,507.31
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Solution
The fourth proportional to 159,337.68, 239,154.21 and 80,507.31 is: 120,835.59
Step by Step Solution
- Step 1: Write the proportion equation
159,337.68 : 239,154.21 = 80,507.31 : x - Step 2: Convert to fraction form
159,337.68/239,154.21 = 80,507.31/x - Step 3: Cross multiply
159,337.68x = 239,154.21 × 80,507.31 - Step 4: Simplify right side
159,337.68x = 19,253,662,122.28 - Step 5: Solve for x
x = 19,253,662,122.28/159,337.68 - Step 6: Final answer
x = 120,835.59
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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.