Finding the Fourth Proportional to 346,532.21, 519,797.98 and 130,431.30
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Solution
The fourth proportional to 346,532.21, 519,797.98 and 130,431.30 is: 195,646.82
Step by Step Solution
- Step 1: Write the proportion equation
346,532.21 : 519,797.98 = 130,431.30 : x - Step 2: Convert to fraction form
346,532.21/519,797.98 = 130,431.30/x - Step 3: Cross multiply
346,532.21x = 519,797.98 × 130,431.30 - Step 4: Simplify right side
346,532.21x = 67,797,923,748.89 - Step 5: Solve for x
x = 67,797,923,748.89/346,532.21 - Step 6: Final answer
x = 195,646.82
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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.