Finding the Fourth Proportional to 341,423.70, 512,135.55 and 119,807.70
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Solution
The fourth proportional to 341,423.70, 512,135.55 and 119,807.70 is: 179,711.55
Step by Step Solution
- Step 1: Write the proportion equation
341,423.70 : 512,135.55 = 119,807.70 : x - Step 2: Convert to fraction form
341,423.70/512,135.55 = 119,807.70/x - Step 3: Cross multiply
341,423.70x = 512,135.55 × 119,807.70 - Step 4: Simplify right side
341,423.70x = 61,357,782,333.74 - Step 5: Solve for x
x = 61,357,782,333.74/341,423.70 - Step 6: Final answer
x = 179,711.55
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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.