Finding the Fourth Proportional to 350,938.60, 484,296.76 and 189,793.68
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Solution
The fourth proportional to 350,938.60, 484,296.76 and 189,793.68 is: 261,916.09
Step by Step Solution
- Step 1: Write the proportion equation
350,938.60 : 484,296.76 = 189,793.68 : x - Step 2: Convert to fraction form
350,938.60/484,296.76 = 189,793.68/x - Step 3: Cross multiply
350,938.60x = 484,296.76 × 189,793.68 - Step 4: Simplify right side
350,938.60x = 91,916,464,292.48 - Step 5: Solve for x
x = 91,916,464,292.48/350,938.60 - Step 6: Final answer
x = 261,916.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.