Finding the Fourth Proportional to 340,344.26, 510,520.49 and 103,688.99
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Solution
The fourth proportional to 340,344.26, 510,520.49 and 103,688.99 is: 155,534.73
Step by Step Solution
- Step 1: Write the proportion equation
340,344.26 : 510,520.49 = 103,688.99 : x - Step 2: Convert to fraction form
340,344.26/510,520.49 = 103,688.99/x - Step 3: Cross multiply
340,344.26x = 510,520.49 × 103,688.99 - Step 4: Simplify right side
340,344.26x = 52,935,353,982.41 - Step 5: Solve for x
x = 52,935,353,982.41/340,344.26 - Step 6: Final answer
x = 155,534.73
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1.5x scale
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.