Finding the Fourth Proportional to 215,281.41, 297,078.21 and 118,482.09
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Solution
The fourth proportional to 215,281.41, 297,078.21 and 118,482.09 is: 163,499.71
Step by Step Solution
- Step 1: Write the proportion equation
215,281.41 : 297,078.21 = 118,482.09 : x - Step 2: Convert to fraction form
215,281.41/297,078.21 = 118,482.09/x - Step 3: Cross multiply
215,281.41x = 297,078.21 × 118,482.09 - Step 4: Simplify right side
215,281.41x = 35,198,447,214.26 - Step 5: Solve for x
x = 35,198,447,214.26/215,281.41 - Step 6: Final answer
x = 163,499.71
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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.