Finding the Fourth Proportional to 134,437.70, 201,656.55 and 40,943.30
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Solution
The fourth proportional to 134,437.70, 201,656.55 and 40,943.30 is: 61,414.95
Step by Step Solution
- Step 1: Write the proportion equation
134,437.70 : 201,656.55 = 40,943.30 : x - Step 2: Convert to fraction form
134,437.70/201,656.55 = 40,943.30/x - Step 3: Cross multiply
134,437.70x = 201,656.55 × 40,943.30 - Step 4: Simplify right side
134,437.70x = 8,256,484,623.62 - Step 5: Solve for x
x = 8,256,484,623.62/134,437.70 - Step 6: Final answer
x = 61,414.95
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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.