Finding the Fourth Proportional to 738,830.70, 1,108,246.05 and 177,865.20
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Solution
The fourth proportional to 738,830.70, 1,108,246.05 and 177,865.20 is: 266,797.80
Step by Step Solution
- Step 1: Write the proportion equation
738,830.70 : 1,108,246.05 = 177,865.20 : x - Step 2: Convert to fraction form
738,830.70/1,108,246.05 = 177,865.20/x - Step 3: Cross multiply
738,830.70x = 1,108,246.05 × 177,865.20 - Step 4: Simplify right side
738,830.70x = 197,118,405,332.46 - Step 5: Solve for x
x = 197,118,405,332.46/738,830.70 - Step 6: Final answer
x = 266,797.80
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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.