Finding the Fourth Proportional to 436,919.68, 602,947.68 and 245,932.96
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Solution
The fourth proportional to 436,919.68, 602,947.68 and 245,932.96 is: 339,386.65
Step by Step Solution
- Step 1: Write the proportion equation
436,919.68 : 602,947.68 = 245,932.96 : x - Step 2: Convert to fraction form
436,919.68/602,947.68 = 245,932.96/x - Step 3: Cross multiply
436,919.68x = 602,947.68 × 245,932.96 - Step 4: Simplify right side
436,919.68x = 148,284,707,667.53 - Step 5: Solve for x
x = 148,284,707,667.53/436,919.68 - Step 6: Final answer
x = 339,386.65
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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.