Finding the Fourth Proportional to 134,291.40, 201,437.10 and 100,830.30
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Solution
The fourth proportional to 134,291.40, 201,437.10 and 100,830.30 is: 151,245.45
Step by Step Solution
- Step 1: Write the proportion equation
134,291.40 : 201,437.10 = 100,830.30 : x - Step 2: Convert to fraction form
134,291.40/201,437.10 = 100,830.30/x - Step 3: Cross multiply
134,291.40x = 201,437.10 × 100,830.30 - Step 4: Simplify right side
134,291.40x = 20,310,963,224.13 - Step 5: Solve for x
x = 20,310,963,224.13/134,291.40 - Step 6: Final answer
x = 151,245.45
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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.