Finding the Fourth Proportional to 216,779.66, 324,748.70 and 159,750.08
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Solution
The fourth proportional to 216,779.66, 324,748.70 and 159,750.08 is: 239,315.03
Step by Step Solution
- Step 1: Write the proportion equation
216,779.66 : 324,748.70 = 159,750.08 : x - Step 2: Convert to fraction form
216,779.66/324,748.70 = 159,750.08/x - Step 3: Cross multiply
216,779.66x = 324,748.70 × 159,750.08 - Step 4: Simplify right side
216,779.66x = 51,878,630,804.90 - Step 5: Solve for x
x = 51,878,630,804.90/216,779.66 - Step 6: Final answer
x = 239,315.03
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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.