Finding the Fourth Proportional to 187,062.08, 280,511.10 and 74,704.95
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Solution
The fourth proportional to 187,062.08, 280,511.10 and 74,704.95 is: 112,024.67
Step by Step Solution
- Step 1: Write the proportion equation
187,062.08 : 280,511.10 = 74,704.95 : x - Step 2: Convert to fraction form
187,062.08/280,511.10 = 74,704.95/x - Step 3: Cross multiply
187,062.08x = 280,511.10 × 74,704.95 - Step 4: Simplify right side
187,062.08x = 20,955,567,699.95 - Step 5: Solve for x
x = 20,955,567,699.95/187,062.08 - Step 6: Final answer
x = 112,024.67
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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.