Finding the Fourth Proportional to 134,148.40, 201,149.70 and 45,356.20
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Solution
The fourth proportional to 134,148.40, 201,149.70 and 45,356.20 is: 68,009.65
Step by Step Solution
- Step 1: Write the proportion equation
134,148.40 : 201,149.70 = 45,356.20 : x - Step 2: Convert to fraction form
134,148.40/201,149.70 = 45,356.20/x - Step 3: Cross multiply
134,148.40x = 201,149.70 × 45,356.20 - Step 4: Simplify right side
134,148.40x = 9,123,386,023.14 - Step 5: Solve for x
x = 9,123,386,023.14/134,148.40 - Step 6: Final answer
x = 68,009.65
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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.