Finding the Fourth Proportional to 387,576.37, 581,377.52 and 134,878.08
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Solution
The fourth proportional to 387,576.37, 581,377.52 and 134,878.08 is: 202,321.63
Step by Step Solution
- Step 1: Write the proportion equation
387,576.37 : 581,377.52 = 134,878.08 : x - Step 2: Convert to fraction form
387,576.37/581,377.52 = 134,878.08/x - Step 3: Cross multiply
387,576.37x = 581,377.52 × 134,878.08 - Step 4: Simplify right side
387,576.37x = 78,415,083,652.76 - Step 5: Solve for x
x = 78,415,083,652.76/387,576.37 - Step 6: Final answer
x = 202,321.63
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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.