Finding the Fourth Proportional to 159,929.08, 239,894.74 and 54,748.92
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Solution
The fourth proportional to 159,929.08, 239,894.74 and 54,748.92 is: 82,123.76
Step by Step Solution
- Step 1: Write the proportion equation
159,929.08 : 239,894.74 = 54,748.92 : x - Step 2: Convert to fraction form
159,929.08/239,894.74 = 54,748.92/x - Step 3: Cross multiply
159,929.08x = 239,894.74 × 54,748.92 - Step 4: Simplify right side
159,929.08x = 13,133,977,928.68 - Step 5: Solve for x
x = 13,133,977,928.68/159,929.08 - Step 6: Final answer
x = 82,123.76
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1.5x scale
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.