Finding the Fourth Proportional to 819,221.31, 1,228,972.68 and 250,588.62
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Solution
The fourth proportional to 819,221.31, 1,228,972.68 and 250,588.62 is: 375,925.97
Step by Step Solution
- Step 1: Write the proportion equation
819,221.31 : 1,228,972.68 = 250,588.62 : x - Step 2: Convert to fraction form
819,221.31/1,228,972.68 = 250,588.62/x - Step 3: Cross multiply
819,221.31x = 1,228,972.68 × 250,588.62 - Step 4: Simplify right side
819,221.31x = 307,966,567,898.90 - Step 5: Solve for x
x = 307,966,567,898.90/819,221.31 - Step 6: Final answer
x = 375,925.97
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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.