Finding the Fourth Proportional to 340,306.76, 510,441.50 and 103,629.62
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Solution
The fourth proportional to 340,306.76, 510,441.50 and 103,629.62 is: 155,438.75
Step by Step Solution
- Step 1: Write the proportion equation
340,306.76 : 510,441.50 = 103,629.62 : x - Step 2: Convert to fraction form
340,306.76/510,441.50 = 103,629.62/x - Step 3: Cross multiply
340,306.76x = 510,441.50 × 103,629.62 - Step 4: Simplify right side
340,306.76x = 52,896,856,384.10 - Step 5: Solve for x
x = 52,896,856,384.10/340,306.76 - Step 6: Final answer
x = 155,438.75
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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.