Finding the Fourth Proportional to 101,627.18, 152,428.89 and 40,834.99
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Solution
The fourth proportional to 101,627.18, 152,428.89 and 40,834.99 is: 61,247.71
Step by Step Solution
- Step 1: Write the proportion equation
101,627.18 : 152,428.89 = 40,834.99 : x - Step 2: Convert to fraction form
101,627.18/152,428.89 = 40,834.99/x - Step 3: Cross multiply
101,627.18x = 152,428.89 × 40,834.99 - Step 4: Simplify right side
101,627.18x = 6,224,432,198.86 - Step 5: Solve for x
x = 6,224,432,198.86/101,627.18 - Step 6: Final answer
x = 61,247.71
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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.