Finding the Fourth Proportional to 387,575.37, 581,376.02 and 134,877.08
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Solution
The fourth proportional to 387,575.37, 581,376.02 and 134,877.08 is: 202,320.12
Step by Step Solution
- Step 1: Write the proportion equation
387,575.37 : 581,376.02 = 134,877.08 : x - Step 2: Convert to fraction form
387,575.37/581,376.02 = 134,877.08/x - Step 3: Cross multiply
387,575.37x = 581,376.02 × 134,877.08 - Step 4: Simplify right side
387,575.37x = 78,414,296,378.36 - Step 5: Solve for x
x = 78,414,296,378.36/387,575.37 - Step 6: Final answer
x = 202,320.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.