Finding the Fourth Proportional to 207,430.68, 286,290.08 and 120,203.56
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Solution
The fourth proportional to 207,430.68, 286,290.08 and 120,203.56 is: 165,901.62
Step by Step Solution
- Step 1: Write the proportion equation
207,430.68 : 286,290.08 = 120,203.56 : x - Step 2: Convert to fraction form
207,430.68/286,290.08 = 120,203.56/x - Step 3: Cross multiply
207,430.68x = 286,290.08 × 120,203.56 - Step 4: Simplify right side
207,430.68x = 34,413,086,808.68 - Step 5: Solve for x
x = 34,413,086,808.68/207,430.68 - Step 6: Final answer
x = 165,901.62
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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.