Finding the Fourth Proportional to 287,182.08, 396,315.04 and 158,135.68
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Solution
The fourth proportional to 287,182.08, 396,315.04 and 158,135.68 is: 218,229.31
Step by Step Solution
- Step 1: Write the proportion equation
287,182.08 : 396,315.04 = 158,135.68 : x - Step 2: Convert to fraction form
287,182.08/396,315.04 = 158,135.68/x - Step 3: Cross multiply
287,182.08x = 396,315.04 × 158,135.68 - Step 4: Simplify right side
287,182.08x = 62,671,548,344.63 - Step 5: Solve for x
x = 62,671,548,344.63/287,182.08 - Step 6: Final answer
x = 218,229.31
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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.