Finding the Fourth Proportional to 159,508.24, 239,159.96 and 70,788.88
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Solution
The fourth proportional to 159,508.24, 239,159.96 and 70,788.88 is: 106,137.88
Step by Step Solution
- Step 1: Write the proportion equation
159,508.24 : 239,159.96 = 70,788.88 : x - Step 2: Convert to fraction form
159,508.24/239,159.96 = 70,788.88/x - Step 3: Cross multiply
159,508.24x = 239,159.96 × 70,788.88 - Step 4: Simplify right side
159,508.24x = 16,929,865,709.24 - Step 5: Solve for x
x = 16,929,865,709.24/159,508.24 - Step 6: Final answer
x = 106,137.88
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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.