Finding the Fourth Proportional to 110,437.30, 165,655.95 and 40,343.96
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Solution
The fourth proportional to 110,437.30, 165,655.95 and 40,343.96 is: 60,515.94
Step by Step Solution
- Step 1: Write the proportion equation
110,437.30 : 165,655.95 = 40,343.96 : x - Step 2: Convert to fraction form
110,437.30/165,655.95 = 40,343.96/x - Step 3: Cross multiply
110,437.30x = 165,655.95 × 40,343.96 - Step 4: Simplify right side
110,437.30x = 6,683,217,020.56 - Step 5: Solve for x
x = 6,683,217,020.56/110,437.30 - Step 6: Final answer
x = 60,515.94
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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.