Finding the Fourth Proportional to 134,567.91, 201,853.41 and 57,620.54
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Solution
The fourth proportional to 134,567.91, 201,853.41 and 57,620.54 is: 86,431.47
Step by Step Solution
- Step 1: Write the proportion equation
134,567.91 : 201,853.41 = 57,620.54 : x - Step 2: Convert to fraction form
134,567.91/201,853.41 = 57,620.54/x - Step 3: Cross multiply
134,567.91x = 201,853.41 × 57,620.54 - Step 4: Simplify right side
134,567.91x = 11,630,902,196.94 - Step 5: Solve for x
x = 11,630,902,196.94/134,567.91 - Step 6: Final answer
x = 86,431.47
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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.