Finding the Fourth Proportional to 207,907.51, 286,911.96 and 117,263.20
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Solution
The fourth proportional to 207,907.51, 286,911.96 and 117,263.20 is: 161,822.99
Step by Step Solution
- Step 1: Write the proportion equation
207,907.51 : 286,911.96 = 117,263.20 : x - Step 2: Convert to fraction form
207,907.51/286,911.96 = 117,263.20/x - Step 3: Cross multiply
207,907.51x = 286,911.96 × 117,263.20 - Step 4: Simplify right side
207,907.51x = 33,644,214,547.87 - Step 5: Solve for x
x = 33,644,214,547.87/207,907.51 - Step 6: Final answer
x = 161,822.99
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1.5x scale
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.