Finding the Fourth Proportional to 612,443.12, 845,149.41 and 336,798.65
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Solution
The fourth proportional to 612,443.12, 845,149.41 and 336,798.65 is: 464,769.99
Step by Step Solution
- Step 1: Write the proportion equation
612,443.12 : 845,149.41 = 336,798.65 : x - Step 2: Convert to fraction form
612,443.12/845,149.41 = 336,798.65/x - Step 3: Cross multiply
612,443.12x = 845,149.41 × 336,798.65 - Step 4: Simplify right side
612,443.12x = 284,645,177,381.43 - Step 5: Solve for x
x = 284,645,177,381.43/612,443.12 - Step 6: Final answer
x = 464,769.99
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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.