Finding the Fourth Proportional to 340,354.26, 510,535.49 and 103,698.99
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Solution
The fourth proportional to 340,354.26, 510,535.49 and 103,698.99 is: 155,549.73
Step by Step Solution
- Step 1: Write the proportion equation
340,354.26 : 510,535.49 = 103,698.99 : x - Step 2: Convert to fraction form
340,354.26/510,535.49 = 103,698.99/x - Step 3: Cross multiply
340,354.26x = 510,535.49 × 103,698.99 - Step 4: Simplify right side
340,354.26x = 52,942,014,672.16 - Step 5: Solve for x
x = 52,942,014,672.16/340,354.26 - Step 6: Final answer
x = 155,549.73
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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.