Finding the Fourth Proportional to 207,695.90, 286,620.63 and 112,202.62
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Solution
The fourth proportional to 207,695.90, 286,620.63 and 112,202.62 is: 154,839.77
Step by Step Solution
- Step 1: Write the proportion equation
207,695.90 : 286,620.63 = 112,202.62 : x - Step 2: Convert to fraction form
207,695.90/286,620.63 = 112,202.62/x - Step 3: Cross multiply
207,695.90x = 286,620.63 × 112,202.62 - Step 4: Simplify right side
207,695.90x = 32,159,584,494.74 - Step 5: Solve for x
x = 32,159,584,494.74/207,695.90 - Step 6: Final answer
x = 154,839.77
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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.