Finding the Fourth Proportional to 738,835.20, 1,108,252.80 and 177,869.70
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Solution
The fourth proportional to 738,835.20, 1,108,252.80 and 177,869.70 is: 266,804.55
Step by Step Solution
- Step 1: Write the proportion equation
738,835.20 : 1,108,252.80 = 177,869.70 : x - Step 2: Convert to fraction form
738,835.20/1,108,252.80 = 177,869.70/x - Step 3: Cross multiply
738,835.20x = 1,108,252.80 × 177,869.70 - Step 4: Simplify right side
738,835.20x = 197,124,593,060.16 - Step 5: Solve for x
x = 197,124,593,060.16/738,835.20 - Step 6: Final answer
x = 266,804.55
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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.