Finding the Fourth Proportional to 185,638.56, 278,448.67 and 101,562.99
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Solution
The fourth proportional to 185,638.56, 278,448.67 and 101,562.99 is: 152,339.47
Step by Step Solution
- Step 1: Write the proportion equation
185,638.56 : 278,448.67 = 101,562.99 : x - Step 2: Convert to fraction form
185,638.56/278,448.67 = 101,562.99/x - Step 3: Cross multiply
185,638.56x = 278,448.67 × 101,562.99 - Step 4: Simplify right side
185,638.56x = 28,280,079,486.72 - Step 5: Solve for x
x = 28,280,079,486.72/185,638.56 - Step 6: Final answer
x = 152,339.47
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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.