Finding the Fourth Proportional to 615,294.98, 922,938.36 and 331,119.23
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Solution
The fourth proportional to 615,294.98, 922,938.36 and 331,119.23 is: 496,676.64
Step by Step Solution
- Step 1: Write the proportion equation
615,294.98 : 922,938.36 = 331,119.23 : x - Step 2: Convert to fraction form
615,294.98/922,938.36 = 331,119.23/x - Step 3: Cross multiply
615,294.98x = 922,938.36 × 331,119.23 - Step 4: Simplify right side
615,294.98x = 305,602,641,408.01 - Step 5: Solve for x
x = 305,602,641,408.01/615,294.98 - Step 6: Final answer
x = 496,676.64
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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.