Finding the Fourth Proportional to 134,430.10, 201,645.15 and 102,937.30
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Solution
The fourth proportional to 134,430.10, 201,645.15 and 102,937.30 is: 154,405.95
Step by Step Solution
- Step 1: Write the proportion equation
134,430.10 : 201,645.15 = 102,937.30 : x - Step 2: Convert to fraction form
134,430.10/201,645.15 = 102,937.30/x - Step 3: Cross multiply
134,430.10x = 201,645.15 × 102,937.30 - Step 4: Simplify right side
134,430.10x = 20,756,807,299.10 - Step 5: Solve for x
x = 20,756,807,299.10/134,430.10 - Step 6: Final answer
x = 154,405.95
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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.